FiftyWishesNow.com

Nearly every animal sleeps in some way.  It is evident that sleep performs some important function for the nervous system.
Many theories have been suggested, but the most practical seems to be the one put forward by Nobel Prize winner Francis Crick.  He claims that the purpose of sleep is to allow the brain to ‘take [...]

Wishing you could sleep is frustrating.  Tossing and turning only gets worse the more stressed you feel from not being able to fall asleep.
From research on brain patterns during sleep, scientists have begun to understand and develop treatments for sleep disorders.  Sleep disorders affect the quality and duration of sleep.  Change of sleep schedule, stress, [...]