We spend nearly a third of our lives asleep, yet sleep is still very much a mystery to medical professionals, scientists, and other health experts. Amazingly, we spend a very significant portion of our lives doing something we don’t quite understand. Phenomena like dreams and nightmares, for example, are fascinating elements of human life that are still not entirely understood. What we do know, however, is that sleep is fundamental to overall health. Moreover, we know that sleep can significantly impact our bodies on the chemical, hormonal, and emotional level. Below is a list of 5 fun facts you may not have known about sleep. Read our list, and be sure to leave additional fun facts in the comments section below! http://www.selectairbeds.com/mattress/5-fun-facts-about-sleep/