What Not Sleeping Actually Does to Your Body

What if you just stopped sleeping, for good? No naps, no lie-ins, nothing. It turns out your brain doesn't really let you, and the price of trying gets weird fast. Watch next: Your Body, Explained    • Your Body, Explained   So Tiny gave up his bed, with one clock and one very large coffee mug, and we followed what happens hour by hour: the sand-like sleep pressure building in your head (and why coffee only hides it), the cold experiment where short sleepers got sick about four times as often, rats whose brain cells nodded off while they were wide awake, the hallucinations that show up in old sleep-deprivation studies, a radio DJ in a glass booth in Times Square, and a 17-year-old who stayed up for eleven days and then beat a sleep scientist at pinball. Then the part that isn't funny: a rare disease that takes sleep away, and why almost every animal, even a jellyfish with no brain, still sleeps. Some of this comes from small or old studies, and a few things are still argued about. I say which is which in the video. Chapter - 0:00 What if you never slept again? 0:47 Hour 17: the sand in your head 2:05 Night 1: the defences drop 3:08 Night 2: your brain sleeps without you 4:31 Night 4: seeing things 5:49 Day 11: the kid who stayed up 8:06 The people who can't 9:17 Why everything sleeps 10:14 Back to bed If you enjoyed this, subscribing genuinely helps this little channel grow a lot. Thanks for hanging out. #sleep #science #brain