Why Must We Close Our Eyes to Sleep?

It’s something we’ve always been asked to do and have done so ever since we’ve been kids: we always close our eyes while going to bed. But why is this the case? So, why must we close our eyes to sleep? We close our eyes when we sleep for three...

How Long Must You Sleep to Dream?

Sleep: we all do it, we all need it, and without it, we cannot thrive. Research shows that humans are the only mammals who deliberately hold off on sleeping, even when the body tells them to and that being awake for 16 hours straight actually decreases your...