Sleep is the Foundation of Health

Forcing yourself to go to bed earlier is the worst thing you can do because you're not tired enough. We chastise people who wake up late as being lazy, but we never say, oh, you go to bed early, you're lazy.

Professor Matthew Walker is a neuroscientist and world renowned sleep expert, known for his groundbreaking research on the impact of sleep on brain function, health and longevity.

Bad dreams in teens seem to be even more predictive of suicide than insufficient sleep itself. It's not just about how much sleep you're getting, it's about how well that sleep restores you the next day. In fact, that's one of our new metrics of insomnia. As you get colder during the night, you get more deep sleep. But then you have to reverse engineer the trick. You have to warm up to wake up. And it's not light that wakes us up. Only go to bed when you're tired. Don't worry about the clock. Insomnia patients only go to bed when you're tired. Sleep is Mother Nature's best effort yet at immortality. Based on everything that I've seen.