When you go to sleep, your brain doesn't take a nap. According to a recent study, it keeps working: organizing memories by what's important and what isn't, in a form of "memory triage." One of the researchers, UC Berkeley professor of psychology Matthew Walker, joins us to discuss his findings, and to answer questions on sleep and memory.
Memory Triage and Other Secrets of Sleep
Matthew Walker, professor of psychology at UC Berkeley, and head of UC Berkeley's Sleep and Neuroimaging Laboratory