The sleep is essential for life. You might expect that losing a smaller amount of sleep — say, just an hour or so each night — would not be especially detrimental.
In fact, even a minor reduction can dramatically increase the chances of you having a serious accident in everyday life.
In 2003, Gregory Belenky and his colleagues at the Sleep And Performance Research Centre at Washington State University staged one of the world's most comprehensive studies into sleep loss.
Watch video The Truth of too Little Sleep:Remember the 90 Minute Rule | Warning online without registration, duration hours minute second in high quality. This video was added by user Any Fun 01 April 2014, don't forget to share it with your friends and acquaintances, it has been viewed on our site 33 once and liked it people.