Humans, like all animals, need sleep, along with food, water and oxygen, to
survive. For humans sleep is a vital indicator of overall health and well-being.
How many hours of sleep do you need? What happens when you don't get
enough? Explore sleep's cycles and stages and how to recover from sleep debt.
Most teens need about 8½ to more than 9 hours of sleep each night. Getting the
right amount of sleep is essential for anyone who wants to do well on a test or ...
Apr 6, 2016 ... The amount of sleep you need depends on various factors ... complex mental
tasks as do people who get closer to seven hours of sleep a night.
The term sleep disorder may suggest someone tossing and turning all night, but
lying awake for hours with insomnia is just one example of many conditions that ...
Jul 21, 2014 ... How much sleep do you really need? Experts generally recommend seven to
nine hours a night for healthy adults. Sleep scientists say new ...
part of a website about sleep, sleep patterns, sleep disorders, dreams, circadian
rhythms, why we sleep, how we sleep, how much sleep we need, etc.
Dec 15, 2008 ... Once you know how much sleep you need, it's important to allot that amount of
time in ... Ask yourself: "How tired do I feel during the daytime?
Feb 2, 2015 ... Here's How Much Experts Think You Should Sleep Every Night ... of sleep a
person needs is highly variable and that some people need more ...
Feb 2, 2015 ... It seems like a question that's as old as time itself: "How much sleep do I really
need?" The nonprofit National Sleep Foundation and a panel of ...