Matthew Walker is a neuroscience and psychology professor and director of the Sleep and Neuroimaging Laboratory at the University of California, Berkeley.
Segment
Read More
17:33
What Is Sleep? A ‘Superpower,’ a ‘Power Cleanse’
In his latest “Flame Challenge,” Alan Alda asked people to answer the question: “What is sleep?” We talk with the winning respondents.
Segment
Read More
46:40
Science of Slumber: How Sleep Affects Your Memory
How much sleep does your brain need? Experts discuss the links between sleep, memory, and cognition.