A good night's sleep has perhaps never been more important. Sharing wisdom and debunking myths, sleep scientist Matt Walker discusses the impact of sleep on mind and body -- from unleashing your creative powers to boosting your memory and immune health -- and details practices you can start (and stop) doing tonight to get some rest. (This virtual conversation is part of the TED Connects series, hosted by head of TED Chris Anderson and current affairs curator Whitney Pennington Rodgers. Recorded April 1, 2020)