Sleep is a naturally recurring state of mind characterized by altered
consciousness, relatively inhibited sensory activity, inhibition of nearly all
voluntary muscles, ...
Explore the National Sleep foundation, your source for sleep research and
education from sleep disorders and problems to polls and maximizing energy.
Sleep disorders include a range of problems -- from insomnia to narcolepsy --
and affect millions of Americans. Learn more about sleep disorders.
Until the 1950s, most people thought of sleep as a passive, dormant part of our
daily lives. We now know that our brains are very active during sleep. Moreover ...
Sleep Cycle alarm clock tracks your sleep patterns and wakes you up during light
Sleep Lab. How do shift work and sleep apnea affect an individual's sleep
patterns? Explore these and other questions in the Sleep Lab. launch interactive
An intelligent alarm clock that analyzes your sleep and wakes you in the lightest
sleep phase. Waking up made easy.
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.
Avoid the damaging effects of sleep deprivation with these tips on how to get
better sleep from the Better Sleep Council.
Smart alarm clock with sleep cycle tracking. Wakes you gently in optimal moment
for pleasant mornings. Features: - Sleep cycle tracking with smart wake up ...