Hacking Your Memory With Sleep Sleeping With Science A Ted Series

We've all been told to get a good night's Did you know you go on a journey every night after you close Caffeine wakes you up, and alcohol makes you nod off, right? It's not that simple. Afternoon naps are refreshing -- but could they be messing up our Every night when you fall asleep and start dreaming, There's nothing quite like a good night's

Megyn Kelly is joined by Dr. Matthew Walker,