On the flipside, it's kind of crazy that there are people who are able to function consistently with very little sleep. A friend of mine says that if she gets e

On the flipside, it's kind of crazy that there are people who are able to function consistently with very little sleep. A friend of mine says that if she gets eight hours of sleep, she feels incredibly groggy. But five hours? Perfect. She's been like that her entire life. I was astounded. She directed me to Ying-Hui Fu's study of DEC2.