Sleep is essential to health, and so for seven or eight hours per day we go into a profoundly different state, a system shutdown. Go without proper sleep, have your sleep affected, or worse still miss a night's sleep and you're sure to turn into a lesser version of yourself. But how much do we really know about sleep, why do we need it and what happens while we have our nightly shuteye? See how many of the following sleep-related facts you knew: During a normal night's sleep, there are five different stages of sleep, and each of them is quite different from the other four When we are … [Read more...]