This book by the National Institutes of Health (Publication
11-5271) and the National Heart, Lung, and Blood Institute provides
the latest science-based information about Sleep. This book gives
the latest information on sleep disorders such as insomnia (trouble
falling or staying asleep), sleep apnea (pauses in breathing during
sleep), restless legs syndrome, narcolepsy (extreme daytime
sleepiness), and para somnias (abnormal sleep behaviors). Think of
your daily activities. Which activity is so important you should
devote one-third of your time to doing it? Probably the first
things that come to mind are working, spending time with your
family, or doing leisure activities. But there's something else you
should be doing about one-third of your time-sleeping. Many people
view sleep as merely a "down time" when their brains shut off and
their bodies rest. People may cut back on sleep, thinking it won't
be a problem, because other responsibilities seem much more
important. But research shows that a number of vital tasks carried
out during sleep help people stay healthy and function at their
best. While you sleep, your brain is hard at work forming the
pathways necessary for learning and creating memories and new
insights. Without enough sleep, you can't focus and pay attention
or respond quickly. A lack of sleep may even cause mood problems.
Also, growing evidence shows that a chronic lack of sleep increases
your risk of obesity, diabetes, cardiovascular disease, and
infections. Despite growing support for the idea that adequate
sleep, like adequate nutrition and physical activity, is vital to
our well-being, people are sleeping less. The nonstop "24/7" nature
of the world today encourages longer or nighttime work hours and
offers continual access to entertainment and other activities. To
keep up, people cut back on sleep. A common myth is that people can
learn to get by on little sleep (such as less than 6 hours a night)
with no adverse effects. Research suggests, however, that adults
need at least 7-8 hours of sleep each night to be well rested.
Indeed, in 1910, most people slept 9 hours a night. But recent
surveys show the average adult now sleeps fewer than 7 hours a
night. More than one-third of adults report daytime sleepiness so
severe that it interferes with work, driving, and social
functioning at least a few days each month. Evidence also shows
that children's and adolescents' sleep is shorter than recommended.
These trends have been linked to increased exposure to electronic
media. Lack of sleep may have a direct effect on children's health,
behavior, and development. Chronic sleep loss or sleep disorders
may affect as many as 70 million Americans. This may result in an
annual cost of $16 billion in health care expenses and $50 billion
in lost productivity. What happens when you don't get enough sleep?
Can you make up for lost sleep during the week by sleeping more on
the weekends? How does sleep change as you become older? Is snoring
a problem? How can you tell if you have a sleep disorder? Read on
to find the answers to these questions and to better understand
what sleep is and why it is so necessary. Learn about common sleep
myths and practical tips for getting enough sleep, coping with jet
lag and nighttime shift work, and avoiding dangerous drowsy
driving. Many common sleep disorders go unrecognized and thus are
not treated.
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