For an activity that is so essential to our wellbeing, and that takes up so much of our daily lives, sleep remains something of an enigma
M0ST PEOPLE spend a third of their lives asleep. But why? Is it so that our body can repair itself? Is it part of a process in which our brain assimilates the information it has gathered during the day? Or is sleep a mechanism that has evolved to keep us out of harm’s way during the hours when we do not need to be out hunting for food, or reproducing? No one knows…
