The average person sleeps for around eight hours a day. Over a lifetime this amounts to spending about one third of life asleep. It’s common knowledge that a good nights rest is vitally important for maintaining health and balance, both mentally and physically.
However, for some people a good night’s sleep is hard to come by, or it ends up being ruined, by a strange phenomenon that is called sleep paralysis.
Source: reason4read
Watch: Sleep Paralysis