NIH Offers New Comprehensive Guide to Healthy Sleep
March 27 – April 2 is National Sleep Awareness Week®
Thursday, March 23, 2006, In today’s “24/7” society, many people cut back on sleep to squeeze in more time for work, family obligations, and other activities. But skimping on sleep can be harmful. A comprehensive new handbook from the National Heart, Lung, and Blood Institute (NHLBI) of the National Institutes of Health (NIH) explains that sleep is not merely “down time” when the brain shuts off and the body rests.
“Our brains are very active during sleep, and research has shown that adequate sleep is important to our overall health, safety, and performance,“ notes Michael Twery, PhD, acting director of NHLBI’s National Center on Sleep Disorders Research. ”Scientists also have a better understanding of how a chronic lack of sleep or an untreated sleep disorder can impair health. Like good nutrition and physical activity, adequate sleep is critical for continued good health.”
“Your Guide to Healthy Sleep” provides the latest science-based information about sleep in an easy-to-understand format. The 60-page handbook describes how and why we sleep, and offers tips for getting adequate sleep, such as sticking to a sleep schedule, relaxing before going to bed, and using daylight or bright light to help you adjust to jet lag and shift work schedules.
Sleep disorders such as insomnia (trouble falling asleep or staying asleep, or unrefreshing sleep), sleep apnea (brief periods of pauses in breathing or shallow breathing while you are sleeping), restless legs syndrome (an almost irresistible urge to move the legs that can make it difficult to fall asleep or stay asleep), and narcolepsy (excessive and overwhelming daytime sleepiness despite adequate nighttime sleep) are also described with information on diagnosis and treatment. In addition, a sample sleep diary helps readers track their sleep-related habits.
Sleep needs vary from person to person, and they change throughout the lifecycle. Newborns sleep between 16 and 18 hours a day, and children in preschool sleep between 10 and 12 hours a day. School-aged children and teens need at least 9 hours of sleep a day. Research suggests that adults — including seniors — need at least 7 to 8 hours of sleep each day to be well rested and to perform at their best.
Studies have linked sleep to our ability to learn, create memories, and solve problems. Sleep has also been tied to mood. Without enough sleep, a person has trouble focusing, and responding quickly — a potentially dangerous combination, such as when driving. In addition, mounting evidence links a chronic lack of sleep with an increased risk for developing obesity, diabetes, cardiovascular disease, and infections.
The quality of sleep is also important. How well rested you are and how well you function the next day depend on your total sleep time and how much of the various stages of sleep you get each night. Yet, each year an estimated 70 million adult Americans have some type of sleep problem.
“Although there are times during the day when we are naturally likely to feel drowsy, in many cases, sleepiness is a sign that something is amiss,” adds Twery. “The handbook offers several ideas to help you improve your sleep, but if you feel that you regularly have problems breathing during sleep, wake up unrefreshed after a full night’s sleep, or frequently feel very sleepy during the day, you should see your doctor to find out if you could have a sleep disorder.”
“Your Guide to Healthy Sleep” can be downloaded free at http://www.nhlbi.nih.gov/health/public/sleep/healthy_sleep.htm. Printed copies are available for $3.50 through the NHLBI website or from the NHLBI Information Center at P.O. Box 30105, Bethesda, MD 20824-0105, or at 301-592-8573 or 240-629-3255 (TTY).
To learn more about healthy sleep and sleep disorders:
National Center on Sleep Disorders Research
Sleep, Sleep Disorders, and Biological Rhythms supplemental curriculum for use in high school biology classes
Star Sleeper educational materials for children and their caregivers http://starsleep.nhlbi.nih.gov.
Note: National Sleep Awareness Week® is a registered trademark of the National Sleep Foundation.
The National Center on Sleep Disorders Research was established in 1993 through U.S. congressional legislation authorizing support for sleep-related research and educational programs, and the coordination of related activities among the NIH, other federal agencies, and nongovernmental organizations. NIH annually funds more than $189 million in sleep-related research conducted by researchers in universities and hospitals in the U.S. and abroad. For more information, visit www.nhlbi.nih.gov/sleep.
Part of the National Institutes of Health, the National Heart, Lung, and Blood Institute plans, conducts, and supports research related to the causes, prevention, diagnosis, and treatment of heart, blood vessel, lung, and blood diseases; and sleep disorders. The Institute also administers national health education campaigns on women and heart disease, healthy weight for children, and other topics. NHLBI press releases and other materials are available online at: www.nhlbi.nih.gov.
The National Institutes of Health (NIH) — The Nation’s Medical Research Agency — includes 27 Institutes and Centers and is a component of the U.S. Department of Health and Human Services. It is the primary federal agency for conducting and supporting basic, clinical and translational medical research, and it investigates the causes, treatments, and cures for both common and rare diseases. For more information about NIH and its programs, visit http://www.nih.gov.
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