We spend about a third to a quarter of our life sleeping. The Greek called sleep 'the little death' and but it is in fact filled with activity, both in our mind and backstage, in our bodies. There are many things that happen while we sleep - We dream, we learn, we memorize and we develop our thoughts and feelings. In addition, we let the body rest, releasing our bunched up muscles to relax.
Even today, the many functions of sleep baffle many scientists, who have yet to figure out the exact purpose of them. That said, there is much we know about sleep from observation and the advance of biology, here are 16 facts you may not have known about your sleep...
Infographic courtesy of: infographicsarchive.com
Cover image courtesy of: graur codrin / freedigitalphotos.net