Have you ever wondered what happens while we are asleep? The body is so inconspicuous when it's working properly that we often don't know half...

As we age, we may begin to feel that we are getting more tired, and although it may seem strange, it may also be that...

Has it ever happened to you that after a whole week of sleeping perfectly with your fixed schedule, the weekend arrives, and on Sunday (when...

Hasn't it happened to you that after several nights of sleeping badly, you finally manage to sleep for a long period of time, but when...

Humans began by sleeping on piles of dry leaves. Can you believe it? If you think about it, the level of progress we've had over...