What really happens to your body when you don't sleep
There's not much that's more satisfying than getting into bed after a long, tiring day. There's also nothing more frustrating then lying there, wide awake, waiting for sleep that never comes. And it's not just annoying. Lack of sleep can be very damaging to your body, too. "Sleep helps the brain cleanse and refresh itself," Dr. Daniel Amen says. "Without adequate sleep many of our body systems can fail to function properly. The brain's cleaning fluid system turns on while we sleep." So what exactly happens to our bodies when we don't get the shut-eye we need? Keep reading to find out what the experts had to tell us.