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51. Wellness Letters by - William Umiker, M.D.
- www.inhis.com
- Although it is commonly supposed that older people need less sleep than youngsters, insomnia is a particularly common complaint as we age. ... It can involve difficulty in falling asleep, frequent or prolonged periods awake during the night, or early wakening with inability to go to sleep again. ...
- While sedative drugs clearly work, at least while they are being taken, less is known about what is called cognitive-behavioral treatment. ...
- Most had tried sleep medications, and had suffered from insomnia for over 16 years. ...
- Subjects were asked to keep a daily sleep diary for two weeks before treatment, and during the eight-week treatment period. ... They spent three nights in the sleep laboratory before and at the end of treatment; this involved sleeping with head electrodes and cameras to record their stages of sleep and limb movements. Subjects also completed a questionnaire to accompany the sleep diary information. ...
- The cognitive behavior treatment addressed three areas: sleep restriction, stimulus control and education. For "sleep restriction", the time allowed in bed was shortened to equal the actual sleep time. If someone reported an average of six hours sleep a night out of eight hours spent in bed, they were given a maximum period of six hours to spend in bed for the first week; this "sleep window" was altered each week, according to their sleep achieved, based on their sleep diary. ...
- "Stimulus control" was used to persuade one to associate bed with sleep, rather than sleeplessness. Participants were not to go to bed unless they were sleepy, use the bed only for sleep and sex, and to get up and go to another room if they were unable to fall asleep within 15 minutes; moving from the bedroom was repeated as often as necessary. They were to get up at the same time each morning, regardless of the amount of sleep they had had. ...
- "Sleep education" consisted of correcting unrealistic expectations about the need for sleep, fears about the effects of insomnia, and mistaken ideas on how to promote sleep. Also covered were the effects on sleep of diet, exercise, beverages (coffee, tea and alcohol), and environmental factors in the bedroom (temperature, light, windows open, etc). ...
- To see how the benefits produced by treatment were sustained, everyone was contacted 3, 12 and 24 months after completing the treatment, and asked to complete two-week sleep diaries. ...
52. Do older people need less sleep?
- www.mattress.com
- FAQ - Sleep.
- Home > Sleep Well > FAQs > Sleep > Seniors.
- Do older people need less sleep? .
- Older people have more difficulty sleeping, but they also need more sleep. Illness, poor sleep habits and inactivity all contribute to sleep disturbances and disorders. ... See "Sleep and Seniors" for more on the sleep problems seniors face and advice on how seniors can get more shut-eye.
- Careers | Company Info | How to Get a Great Night's Sleep .
53. Can I train my body to need less sleep? | Quick answers | Men's Health
- www.menshealth.co.uk
- MH Tools Quick answers Sleep answers Can I train my body to need less sleep? Search answers.
- Sleep.
- What can I do to train my body to need just four to six hours of sleep?.
- "You might be able to shorten sleep for a few weeks but everyone needs a certain amount, so you won’t be able to live by it permanently," says Dr Chris Idzikowski, sleep specialist at the Royal Society of Medicine.
- Seven to eight hours of sleep a night will fuel peak mental performance.
- "When you do have a late night, compensate with an extra hour or two of sleep the next night," says Idzikowski.
- More sleep advice from The Sleep Assessment and Advisory Service - tel, 01846 622 266.
- More Sleep answers.
- Why do I jolt during sleep?.
- Does four hours sleep a night cause lasting damage?.
- Can I train my body to need less sleep?.
- Can I 'store up' sleep?.
- Why doesn't sleep refresh me?.
- Why do I sleep so much?.
54. tips for better sleep
- www.crescentlife.com
- Tips For Better Sleep .
- Many people don't get a good night's sleep on a regular basis. ...
- Sleep deprivation impairs memory, reaction time and alertness. Tired people are less productive at work, less patient with others and less interactive in relationships. Sleep deprivation can be dangerous. ...
- Try one or two or a combination until you have enough quality sleep to feel alert and well rested. ...
- Stick to a schedule, and don't sleep late on weekends. If you sleep late on Saturday and Sunday morning, you'll get Sunday night insomnia. ...
- If you're trying to sleep better, the best time to exercise is in the afternoon. Physical activity enhances the deep, refreshing stage of sleep.
- This mimics your internal temperature drop during sleep. ... Studies show that warm hands and feet induce sleep quickly. If you overheat at night, wear light nightclothes and sleep under a single sheet. ...
- Sleep only at night. ... Limit daytime sleep to 20-minute, power naps. ...
- Silence is more conducive to sleep. ...
55. Linux-Kernel Archive: Can't sleep less than 20 ms
- www.uwsg.iu.edu
- Can't sleep less than 20 ms.
- why I can't sleep for 10 ms, I can only sleep at.
- usleep ( <= 10*1000) will sleep for 20 ms.
- usleep ( <10*1000 <= 20*1000) will sleep for 30 ms.
- usleep ( <20*1000 <= 30*1000) will sleep for 40 ms.
56. FuturePundit.com: Learning Blocked In Mice Deprived Of Sleep For 5 Hours
- www.futurepundit.com
- com | Smart Homes Will Do Constant Medical Monitoring » July 13, 2003 Learning Blocked In Mice Deprived Of Sleep For 5 Hours .
- You have to sleep to learn.
- PHILADELPHIA -- Scientists at the University of Pennsylvania have found new support for the age-old advice to "sleep on it. " Mice allowed to sleep after being trained remembered what they had learned far better than those deprived of sleep for several hours afterward.
- The researchers also determined that the five hours following learning are crucial for memory consolidation; mice deprived of sleep five to 10 hours after learning a task showed no memory impairment. ...
- "We set out to pinpoint the specific window of time and area of the brain that are sensitive to sleep deprivation after learning. ...
- Abel and his colleagues found that sleep deprivation zero to five hours after learning appeared to impair spatial orientation and recognition of physical surroundings, known as contextual memory. ... Because the brain's hippocampus is key to contextual memory but not cued memory, the findings provide new evidence that sleep helps regulate neuronal function in the hippocampus .
- What conclusions can be drawn from this aside from that it is wise to get a full night of sleep? One possibility is that if you can choose when to study then it might help more to study in the evening in the last 5 waking hours before you go to bed. Best to have freshly learned information in your mind before going to sleep.
- One could learn during the day and then immediately go to sleep for the evening hours. ... Then go to school and then come home and go to sleep.
- A much less radical approach which would allow one to keep regular hours would be to do all the non-study activities (chores, errands, jobs, etc) before evening time and reserve all evening hours for studying.
- I've always been skeptical of people who told me they had "trained" their body to get by on 4 or 5 hours of sleep a night. I understand that some people need less, but I really don't think you can just get used to getting less sleep than you require and still function effectively.
- My guess is that some people need less sleep. Whereas others are walking around feeling much worse than they ought to because they do not get enough sleep. ...
57. Grow Old, Sleep Less?
- atoz.iqhealth.com
- GROW OLD, SLEEP LESS? .
- Stress is considered by most sleep experts to be the number one reason for short-term sleeping difficulties. ...
- Daytime behaviors have no bearing on sleep. ...
- Sleep apnea is a sleep disorder in which a person stops breathing for anywhere from several seconds to a few minutes during the night. ...
- People require less sleep as they grow older. ...
- People who work rotating shifts are more prone to develop sleep disorders. ...
- Narcolepsy is a sleep disorder that is characterized by "sleep attacks". ...
- All of us require the same amount of sleep. ...
- One cause of not getting enough sleep is restless leg syndrome. ...
- Caffeine can play a role in sleep disorders. ...
- External Sources:American Academy of Sleep Medicine. ... Sleep IQ NIH publication 96-3797.
- Want to learn more about sleep disorders? Then check out these articles:What is Insomnia?Causes of InsomniaTreatments for InsomniaSnoring and Sleep Apnea.
58. Re: Functioning on less sleep
- www.sleepnet.com
- com's Homepage Sleep Disorders Sleep Links Search Re: Functioning on less sleep.
- In Reply to: Functioning on less sleep posted by ZonedOut on October 09, 2001 at 21:04:10:.
- If you have time exercise to optimize your sleep.
- Try to get absolute uniterrupted perfect sleep. ...
59. Children Sleeping Less Than Recommended (phillyBurbs.com)
- www.phillyburbs.com
- Home / NationalChildren Sleeping Less Than Recommended.
- WASHINGTON - Children are sleeping less than experts recommend and many parents are not happy about it, according to a survey of American households by the National Sleep Foundation.
- The foundation, an independent organization that supports sleep education, announced Tuesday that its annual survey found that children, from newborns to fifth-graders, are getting one to two hours less sleep every 24 hours than is recommended.
- 7 hours of sleep daily, while experts suggest 14 to 15 hours.
- 7 hours, while 12 to 14 hours is the recommended amount of daily sleep.
- Daily sleep averaged about 10. ... Experts recommend 11 to 13 hours of sleep for this age group.
- 5 hours of sleep daily, the survey found. Experts say the appropriate amount of sleep for this group is 10 to 11 hours.
- "Our new poll finds that many children are not sleeping enough and many experience sleep problems," Richard L. ...
- About 69 percent of the children in the households surveyed were said to experience sleep problems a few nights a week. ...
- The poll found that about 75 percent of those polled would change something about their children's sleep habits if they could.
- The poll also found that the parents or caregivers of children are also getting less than the ideal amount of sleep. ... 8 hours per night, slightly less than the seven hours that the foundation found in a 2002 poll of adults. Most parents said they need eight to nine hours of sleep a night.
- Parents and caregivers in households where children got the least amount of sleep were about twice as likely to sleep less than six hours a night themselves, the poll found. About 30 percent of this adult group also reported insomnia a few nights a week, and half of those polled said their sleep problems increased after children came into the household.
60. Sleep and Age
- www.heller.brandeis.edu
- "To Sleep, Perchance to Dream. ...
- Shakespeare did not have the millions of older Americans who complain of sleep-related disorders in mind when he penned his famous line. ... Older adults are more likely than younger people to suffer from restless nights or to experience other sleep problems that leave them fatigued and impair their ability to function. Statistics show that one in three adult Americans periodically experience poor sleep, and most of the problems are experienced in their later years. ... William Dement and Clete Kushida at the Sleep Disorders Research Center in California call sleep disorders "the largest health problem in America. " Facts and Myths About Sleep .
- Sleep is a time when your body and brain shut down for rest and relaxation. ...
- Although it is a time when your body rests and restores its energy levels, sleep is an active state that affects both your physical and mental well-being. Adequate restful sleep, like diet and exercise, is critical to good health. Insufficient restful sleep can result in mental and physical health problems and possibly premature death.
- People need less sleep as they get older. ...
- As we get older, we don't need less sleep, but we often get less sleep. That's because our ability to sleep for long periods of time and to get into the deep restful stages of sleep decreases with age. Older people have more fragile sleep and are more easily disturbed by light, noise, and pain. They also may have medical conditions that contribute to sleep problems. ...
- If you regularly doze off unintentionally during the day, you may need more than just a good night's sleep. ...
61. Untitled Document
- www.powersleep.org
- Power Sleep.
- Order Power Sleep from:.
- He teaches introductory psychology to 1,700 students each year in the nation's largest single lecture class, and conducts research on the relationship between sleep and performance.
- Maas is the author of the New York Times Best Seller, Power Sleep: The Revolutionary Program That Prepares Your Mind for Peak Performance, published by Random House and HarperCollins, and translated into 10 languages. His most recent book, Remmy and the Brain Train, is an award-winning children's bedtime story about the need for sleep. ...
- None of this is possible without quality sleep. Furthermore, healthy sleep has been proven to be the single most important determinant in predicting longevity. It is more influential than diet, exercise or heredity-but our modern culture has become a study in sleep deprivation. We must learn to value sleep, yet most of us know very little about the incredibly varied activity that occurs during the course of each night, and how it affects health, happiness and performance. This presentation, extremely popular with corporate, association and general audiences, explores the nature of sleep, focusing on such questions as: .
- Why are 100 million Americans sleep deprived? .
- What are the different stages of nocturnal sleep and how important are they to daytime functioning? .
- How much sleep do you need to function well? .
- Can you decrease your need for sleep and remain efficient? .
- Do you need less sleep as you get older? .
- What are the four golden rules and ten sleep strategies that will assure you a great night's sleep? .
62. Sleep Deprived? Time Change Will Make It Worse
- www.uchc.edu
- Sleep Deprived? Time Change Will Make It Worse.
- UConn Health Center Sleep Expert Offers RX for Sleep.
- – We’re all looking forward to an extra hour of daylight in the evening, but according to sleep expert Daniel McNally, M. ...
- "Moving the clock ahead for daylight savings time is more stressful and actually harder on the sleep cycle than the time change that takes place in the fall," said Dr. McNally, director of the Sleep Disorder Center at UConn Health Center. "Our biological clocks want to go forward – to go to sleep a bit later and get up a bit later every day – but the spring change means it’s the other way around; we lose an hour’s sleep," he said. ...
- McNally, most of us are sleep deprived. "We have learned to function with less sleep – we’ve adapted to a shorter sleep cycle – but it’s not good for us," he said. "Biologically, most of us need between seven and eight hours of sleep each night. Anything less is not enough. ...
- McNally says that the less you worry about not being able to sleep the more likely you are to fall asleep. ... You may sleep, he said, but you won’t help your sleep system work better over the long term. One or two nights of tossing and turning will certainly make you feel tired the next day, but, unless there’s an underlying medical or psychological problem, you are likely to sleep well the next night, he said. ...
- "Your body can’t store sleep. ...
- McNally’s "prescription for sleep. ...
- Alcohol can make you sleepier initially but will fragment and disrupt your later night’s sleep. ...
63. The Sleep Well
- www.stanford.edu
- A well full of information on sleep, sleep disorders, sleep activism, sleep-related events and much more! .
- Visitors, There are going to be some changes occurring for The Sleep Well Web Site. The Sleep Well sleep information is going to be updated and integrated with a new exciting web page at www. ...
- The SleepQuest goal is to provide you with a powerful resource and help you acquire knowledge about the vast field of sleep medicine. ...
- The SleepQuest Web Site features the 'Best Guide to Obstructive Sleep Apnea (OSA)', the latest news in sleep research, an audio file of what OSA sounds like, a sleep forum plus much more. ...
- | About | Alphabetic Index to The Sleep Well |Feedback | Disclaimer | Access | Awards/Reviews | The Sleep Well Index | Sleep Disorders Web Ring | Sign the Guestbook | .
- Visit the Stanford University Center of Excellence for the Diagnosis and Treatment of Sleep Disorders Web Site. It is a portal to Stanford's Sleep Disorders Resources. ...
- Dement: The Promise of Sleep: A Pioneer in Sleep Medicine Explores the Vital Connection Between Health, Happiness and a Good Night's Sleep. ...
- Making Healthier Sleep A Possibility For Everyone .
- Please note: We are sorry we cannot answer your sleep questions at this time. ... Dement" with any sleep related questions. ...
- Overview of the Findings of the National Commission on Sleep Disorders Research.
- Sleep Activism.
- What's New in Sleep.
- Sleep Disorders Information.
64. Postgraduate Medicine: Patient Notes: Sleep deprivation
- www.postgradmed.com
- Sleep deprivation.
- If you're tired more often than not, you may not be getting enough sleep. ...
- What is sleep deprivation?.
- Many Americans don't get enough sleep to remain healthy and feel alert during the day. Recent studies have shown that Americans sleep an average of 7 hours each night rather than the 8 hours recommended by sleep experts. ...
- People who work long hours, those who have a hectic family schedule or a new baby, teens who stay up late and have to get up early for school, and even people whose pets sleep with them may get less sleep than their body needs to be at its best. Over time, this lack of sleep, also called sleep deprivation, can have serious effects on health and relationships. ...
- What are the effects of sleep deprivation?.
- It isn't clear why we need sleep, but we do know that sleep is as important as food and water. Some experts think sleep helps the brain recharge its energy and store memories for the long term. Sleep also seems to help the body fight off infection. ...
- People who don't get enough sleep may lack energy, be depressed or irritable, have trouble remembering everyday things, and get sick more often than people who get enough sleep. ... Some scientists believe a lack of sleep may have a role in diabetes, high blood pressure, heart problems, and even obesity. ...
- Poor sleep also leads to accidents. ...
- On the other hand, too much sleep can be as harmful as too little. Recent studies have shown that adults who get 7 to 8 hours of sleep a night live longer and are less likely to get heart disease than those who sleep less or more. ...
65. NurseWeek|HealthWeek A Good Day’s Sleep: Even night-shift workers can get their needed sleep
- www.nurseweek.com
- Day's Sleep.
- can get their needed sleep.
- National Sleep Foundation.
- Eileen Oman, RN, is a sleep experts dream. ...
- Most important, she considers sleep sacred. ...
- Unfortunately, say sleep experts, many night-shift workers dont or cant copy Omans sleep habits. People need to understand the importance of sleep, said Ed Coburn, publisher at Circadian Technologies Inc. ... , that advises shift workers how to get enough sleep. ...
- Studies show what new parents and shift workers have known for a long time: The human body doesnt function well without proper sleepusually eight hours in a 24-hour period. ... Most dangerous are those who build up a sleep debt, depriving themselves of sleep over long periods of time, said Richard Coleman, MD, CEO of Coleman Consulting Group in Ross, Calif. , and author of two books on sleep problems.
- Night-shift workers are especially vulnerable because they are constantly battling their circadian rhythms, centuries-old patterns that tell us to sleep at night and be active by day. Despite this, sleep-deprived workers usually perform well in emergencies, Coleman said. ...
- With careful planning, night-shift nurses can get a good days sleep, the experts say. ...
- People called in at the last minute have no time to adjust their sleep patterns. To avoid sleep debt, Coleman said, dont work too many night shifts in a row. ...
66. Lack of sleep can strike students, but formulating routines could help
- www.kstatecollegian.com
- Lack of sleep can strike students, but formulating routines could help.
- Sleep is one of the most basic of our everyday functions; it is also quite possibly the most troublesome. Normal sleep takes up a large amount of time in a fast-paced world. CNN reports more than 40 million Americans get less sleep than they need.
- Students can lose sleep partying, studying or both. Many students turn to caffeine or over-the-counter drugs, and some even use drugs such as alcohol to induce sleep, which makes the problem worse, Rathbun said.
- Kurt Thompson, sophomore in architecture, is one student who loses sleep because of schoolwork. Thompson said he got 10 hours of sleep the week before spring break, and that was only because he fell asleep while working at studio.
- The physical side of the body is not the only part affected by a lack of sleep; it can lead to mood swings and depression.
- "If the sleep pattern is off, moods are altered. ...
- Some artists claim to use sleep deprivation to become more creative. ... He said students become less creative with less sleep. He said it is more difficult to take a test or write a paper after long periods of disturbed sleep.
- Rathbun suggested seeing a doctor if the inability to sleep lasts for more than two weeks.
- Rathbun said the best thing to help people sleep is a warm glass of milk. Milk, as well as turkey, contains tryptophan, an amino acid that helps the body induce sleep. ...
67. CNNfyi.com - Lack of deep sleep could contribute to weight gain in men - October 4, 2000
- www.cnn.com
- Lack of deep sleep could contribute to weight gain in men.
- (CNN) -- As men age, they typically get less and less deep sleep -- a fact that could be connected to the weight gain that often accompanies middle-age, medical researchers said this week. ...
- The link between sleep and love handles, double chins and expanding paunches centers on a hormone normally produced during deep sleep, the scientists from the University of Chicago reported in the August 16 issue of The Journal of the American Medical Association. ...
- With less deep -- or slow-wave -- sleep, there is less bodily production of the growth hormone. ...
- "We actually know that if we increase deep sleep, we can increase growth hormone," said Eve Van Cauter, Ph. ...
- She and her colleagues in the university’s department of medicine analyzed data from a series of studies conducted at four sleep laboratories between 1985 and 1999. ... All were of normal weight, had no sleep complaints and no history of endocrine, psychiatric or sleep disorders. ...
- The researchers found that by the time men reach age 45, they have nearly lost the ability to fall into deep sleep. The study also found that after age 50, men's total sleep declined by about 27 minutes per decade of age. ...
- Other sleep studies have shown that pre-menopausal women get more deep sleep than men do, but after menopause, there is little difference. ...
- Van Cauter said any treatment to improve a man's sleep would need to begin at age 35 to 40. The study found that deep sleep in men younger than 25 was about 20 percent of a night’s sleep. Between ages 25 and 35, the deep sleep drops to about 12 percent. After age 35, it’s 5 percent or less. ...
- Deep sleep has several advantages besides increasing growth hormone. ...
- "During deep sleep," Van Cauter said, "our blood pressure is lower and our heart rate is lower. So, in a way, deep sleep allows for a temporary relief of our cardiovascular system. ...
68. TEENS, SLEEP DEPRIVATION AND AUTOMOBILE CRASHES
- idfbins.com
- TEENS, SLEEP DEPRIVATION AND AUTOMOBILE CRASHES.
- A new scientific study shows that on average, teenagers are getting about two hours less sleep a night than they need, putting them at risk for automobile accidents, falling asleep in class and general moodiness. A National Sleep Foundation poll confirms that teens are staying up too late and waking up too early.
- Many teens are so sleepy they are operating in "a kind of twilight zone," says adolescent sleep researcher Mary Carskadon. ... " "For optimal functioning, teens need nine hours and 15 minutes of sleep a night, although realistically they can function on eight hours and 15 minutes. ...
- The sleep foundation poll found the following:.
- Sleep deprivation is a serious matter for teens. ...
- The loss of one nights sleep can lead to extreme short-term sleepiness, while habitually restricting sleep by 1 or 2 hours a night can lead to chronic sleepiness. ...
- Adolescent sleep researcher Mary Carskadon offers this advice:.
- Have a sleep plan. Know when you want to go to bed and get up every day so that you can get at least 8 hours of sleep a night. ...
- Try to hold the line on the sleep time. ...
- Sleep in if you need to on the weekend, but limit the time to one or two extra hours. ...
69. Health - Survey Reveals Nation Of Sleep Deprived Children
- www.parents.org.uk
- Survey Reveals Nation Of Sleep Deprived Children.
- Two thirds of UK children may be sleep deprived yet 80% of parents think their kids get enough shut-eye .
- Kids build up an average sleep 'deficit' of seven months by seventh birthday .
- One in eight children get less sleep than recommended for adults .
- Children of working parents get the least sleep .
- Survey results published today (May 1st 2003) reveal a nation of sleep deprived children, with as many as two thirds of UK children not getting enough 'shut eye', the potential consequences on their behaviour and performance at home and school being far-reaching. Conducted amongst over 500 parents by leading bed manufacturer, Silentnight Beds, to coincide with the launch of a unique new range of children's beds, the research reveals widespread ignorance about how much sleep infants require and bedtime routines more influenced by TV schedules and parents working hours than children's sleep needs.
- According to the findings the nation's children should expect to have built up a cumulative sleep deficit of seven months - over 4,500 hours - by their seventh birthday with two thirds of two to six year olds getting significantly less sleep than recommended by experts. One in eight children actually get less sleep than the amount recommended for adults, rising to one in four amongst children of working parents. And although the majority of parents agreed that lack of sleep impaired their children's performance and behaviour, two thirds were not even aware of how much sleep their children should get.
- There is a growing body of scientific evidence which shows that adequate night time sleep is just as important as healthy eating and exercise for children's development. Sleep is recognised as a powerful modifier of behaviour, performance and personality and it is thought that sleep deficiency may harm neurological development and can contribute to school related problems such as attention deficit hyperactivity disorder (ADHD) as well as being responsible for mood changes and 'crankiness'. Recent research conducted by scientists in Israel showed that even losing an hour's sleep a night can have a noticeable effect on a child's mental performance, whilst previous studies have suggested that children today are getting less and less sleep over the years. Some experts believe that chronically tired children become chronically tired adults, becoming less able to cope with life's stresses, less resilient and less playful. ...
- The study, conducted for Silentnight Beds as part of extensive consumer research during the development of the My First BedT range, also investigated typical bedtime routines and activities and found a clear correlation between televisions, videos and computers in the bedroom and lack of sleep. ... Youngsters with televisions in their bedrooms were likely to get less sleep than those without and were two and a half times more likely to get eight hours or less. ...
70. Hour less of sleep can set a kid back
- seattlepi.nwsource.com
- Hour less of sleep can set a kid back.
- Just losing an extra hour's sleep at night from staying up to watch that one last television show can cost children alertness and brain function the next day, a new study suggests.
- "The daily struggles between children and their parents usually occur at home and are often limited to modest changes in sleep," said Avi Sadeh, a professor of psychology at Tel Aviv University and lead author of the study, published today in the journal Child Development. ...
- "We found that even moderate changes in sleep duration have detectable, significant effects on children's neuropsychological functioning. ...
- Earlier studies of adults have found that sleep deprivation significantly impairs the brain's executive control system, which helps people organize, prioritize and focus on tasks. But few studies have focused on children, and most of those have looked at extreme sleep loss.
- Sadeh and colleagues studied the effects of adding or subtracting one hour of sleep on 77 fourth- and sixth-graders.
- Sleep-related information such as lights-off time and how often each child awoke during the night was logged. ...
- For the first two nights of a five-night study period, the children kept to a normal sleep pattern; for the last three nights, they were asked to either extend or reduce sleep time by an hour.
- The scientists noticed that children who got an extra hour's sleep experienced more awakenings during the night and a decreased percentage of sleep. But reducing sleep by an hour resulted in decreased nighttime wakings and an increased percentage of sleep.
- Previous studies have identified this behavior as the body's way of adapting to sleep loss. But in this study, the sleep-deprived kids reported significantly higher fatigue in the evening than those who got more sleep, and their performance on several neurobehavioral tests was down compared to the children who got an extra hour's sleep.
- The sleep-deprived children's performance on the reaction-time test suffered, but performance on recall and responsiveness tests was stable. The children who got the extra hour of sleep improved performance on all tests.
- The study is the latest of several recent reports that indicate sleep problems are common for many grade-school-aged youngsters.
71. Research says less sleep may prolong life - News - The Daily Illini Online
- www.dailyillini.com
- Research says less sleep may prolong life.
- Like many students, sophomore in LAS Dave Shin tries to make up for lost sleep with a daytime nap.
- "I'd like to get more sleep," Shin said. ...
- After not getting a good night's sleep, "the next day is rough," said senior in aviation J. ...
- But according to a recent study headed by University of California at San Diego professor Daniel Kripke, those students could be healthier in the long run than students who get a full 8 to 10 hours of sleep a night.
- A statement released by the National Sleep Foundation said that while the study's information is interesting, limitations in conducting the study restrict the results. ...
- The National Sleep Foundation cited the major flaws to be a limited population sample, vague questioning open to subjective answering and a narrow scope of questions which ignore other factors, such as daytime naps. The foundation adds that there are other adverse effects that can occur because of lack of sleep, including mood problems and lack of energy.
- "If you get less sleep than is optimum for you, you will pay some form of performance penalty during the day," said Donald Greeley, co-director of the Carle Sleep Disorders Center.
- If the results are correct, then people might be faced with a choice of more sleep now or a longer life.
- "If I had to make a choice, I would rather get less sleep now and live longer," LaRocca said.
- Sleep deprivation common for students (Aug. ...
- National Sleep Foundation Home Page .
- Research says less sleep may prolong life.
72. University of Kentucky Health Service Sleep Information
- www.mc.uky.edu
- Sleep. ...
- sleep links .
- Many college students find the time for their daily routine by sleeping less. ...
- By sleeping less, however, do students keep up with the next day or the day after that? .
- Getting sufficient sleep each night is important to your health. When you sleep, your body repairs while your brain remains active, preparing you for alertness and peak functioning for the next day.
- Most people need eight to nine hours of sleep each night to function at their best. However you may need more or less than that because the amount of sleep you need is determined genetically. To determine how much sleep you need, sleep until you wake up without the use of an alarm. If you wake up and feel rested, you have found the amount of sleep you need each night. ...
- Approximately half of University of Kentucky students sleep six hours or less each night, according to a recent survey. Getting just six to eight hours less sleep in a week can impair mental efficiency and reaction time, causing depression, anxiety, and irritability. Skipping sleep also can cause academic failure and put you in danger of having a traffic accident. ...
- Make sleep a priority. If you dont get the sleep you need each night, your body builds a sleep debt that you eventually have to pay for with sleep. ...
- Use the following tips to get a good nights sleep:.
73. University of Kentucky Health Service Sleep Information
- www.mc.uky.edu
- Sleep. ...
- sleep links .
- Many college students find the time for their daily routine by sleeping less. ...
- However, by sleeping less, do they keep up with the next day or the day after that? .
- Getting sufficient sleep each night is important to your health. When you sleep, your body repairs while your brain remains active, preparing you for alertness and peak functioning for the next day.
- Most people need eight to nine hours of sleep each night to function at their best. However you may need more or less than that because the amount of sleep you need is determined genetically. To determine how much sleep you need, sleep until you wake up without the use of an alarm. If you wake up and feel rested, you have found the amount of sleep you need each night. ...
- Approximately half of University of Kentucky students sleep six hours or less each night, according to a recent survey. Getting just six to eight hours less sleep in a week can impair mental efficiency and reaction time, causing depression, anxiety, and irritability. Skipping sleep also can cause academic failure and put you in danger of having a traffic accident. ...
- Make sleep a priority. If you dont get the sleep you need each night, your body builds a sleep debt that you eventually have to pay for with sleep. ...
- Use the following tips to get a good nights sleep:.
74. Goodhealth n You
- www.goodhealthnyou.com
- Sleep less, Live longer.
- Although it's a common belief that 8 hours of sleep is required for optimal health, a six-year study of more than one million adults ages 30 to 102 has shown that people who get only 6 to 7 hours a night have a lower death rate.
- Individuals who sleep 8 hours or more, or less than 4 hours a night, were shown to have a significantly increased death rate compared to those whose who averaged 6 to 7 hours.
- Although the data indicated the highest mortality rates with long-duration sleep, the study could not explain the causes or reasons for this association.
- , a UCSD professor of psychiatry who specializes in sleep research, said, "we don't know if long sleep periods lead to death. ...
- 5 hours of sleep a night, can be reassured that this is a safe amount of sleep. From a health standpoint, there is no reason to sleep longer. ...
- The study, which addressed sleep issues as part of the Cancer Prevention Study II (CPSII) of the American Cancer Society, also indicated that participants who reported occasional bouts of insomnia did not have an increased mortality rate, but those individuals who took sleeping pills were more likely to die sooner.
- "Insomnia is not synonymous with short sleep," the authors said in the article. "Patients commonly complain of insomnia when their sleep durations are well within the range of people without sleep symptoms. ...
- 1 million participants, this was the first large-scale population study of sleep to also take into consideration variables such as age, diet, exercise, previous health problems, and risk factors such as smoking, in comparing longevity among the participants. ...
- Although the study was conducted from 1982-88, the sleep results have not been available until recently due to the length of time required to input and analyze the vast amount and variety of data from the 1. ...
- "Previous sleep studies have indicated that both short- and long-duration sleep had higher mortality rates," Kripke said. ...
- Even those with as little as 5 hours sleep lived longer than participants with 8 hours or more per night.
75. Researchers Say Sleep in Space Less than Restful
- www.space.com
- Researchers Say Sleep in Space Less than Restful.
- PITTSBURGH (AP) _ After three months in space, astronauts lose sleep and sleep less soundly because the lack of gravity and th Space Normal Space 2 1 2001-11-22T06:08:00Z 2001-11-22T06:09:00Z 1 436 2488 Space. ...
- Sleep Better in Space.
- PITTSBURGH (AP) _ After three months in space, astronauts lose sleep and sleep less soundly because the lack of gravity and the absence of day-and-night cues throw off their internal clocks, according to the first long-term study of the topic. ...
- The phenomenon could leave astronauts less alert and hamper performance on longer trips, according to the study, published in the December issue of the journal Psychosomatic Medicine. ...
- Space sleeplessness is apparently caused by changes in the brain's endogenous circadian pacemaker _ a bundle of nerve cells the size of a pinhead that controls the body's cycle of sleep and wakefulness. ...
- Researchers also said the lack of gravity in space means astronauts expend much less energy than on Earth and do not tire as easily. ...
- For the study, which was funded by NASA, Pittsburgh researchers monitored the sleep patterns of retired astronaut Jerry Linenger during nearly five months aboard the Russian space station Mir in 1997. ...
- During three two-week periods in the beginning, middle and end of Linenger's trip, researchers on the ground logged his sleep patterns _ when he went to bed, how many times he woke up and how long he slept. Meanwhile, Linenger recorded his temperature, kept a sleep log, rated his alertness five times a day and took tests at midday. ...
- So biorhythms are totally out of whack,'' Linenger said, adding he began waking throughout his sleep period. ...
- Although there were a fire, coolant leaks and a near collision during his stay, both Linenger and Monk said those things did not significantly affect his sleep. ...
- Past studies have found that others who are shut off from normal light-dark cycles, including blind people, suffer insomnia and daytime sleepiness or have a sleep-wake pattern that extends more than a day. ...
- Researchers have tried a variety of remedies for sleeplessness in space, including sleeping pills; melatonin, a hormone put out by the pineal gland that is thought to control the sleep cycle; and using bright lights to mimic sunlight. ...
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