A recent NSF "Sleep in America" poll found that "60% of American adults experience sleep problems".
There are two kinds of sleep in a normal sleep cycle - rapid eye movement or dreaming sleep (REM) and quiet sleep (non-REM). Everyone has about four or five cycles of REM and non-REM sleep a night. For older people, the amount of time spent in the deepest stages of non-REM sleep decreases.
The bottom line on sleeping is this: Adequate sleep is as essential to health and peak performance as exercise and good nutrition.
We've put together a comprehensive article on the subject ...including 7 tips for better sleep... at Best Liquid Vitamins to help everyone have pleasant dreams. Enjoy!