The fact that every person needs 7-8 hours of sleep per day is quite known. But what you did not know about sleep is that most scientific information on the subject have been discovered in the last 25 years. We present some of them here. The record for longest time spent without sleep is 18 days, 21 hours and 40 minutes. In this interval, the owner of this record has had hallucinations, … [Read more...]





