The Science of Sleep

Millions of people around the world take some form of sleeping pill to get a good night’s sleep. Yet the number of deaths involving sleeping pills has increased dramatically. What does this say about our habits— and addictions? Sleep is undeniably a strange state in which we have to let our guard down. While we sleep, the body produces hormones, it grows and repairs itself, and it prepares its immune system. Good sleep also protects us from dementia and it is during sleep that our memories ...