Full episode 511: The Seven Things You’re Not Supposed to Talk About Act Four Sleep Share a clip Transcript Dr. Cady Coleman is a NASA astronaut who has spent more than 4300 hours in space. Our senior producer Julie Snyder asked her what it's like to sleep while orbiting the earth. (3 minutes) More in SpaceView all 655: The Not-So-Great Unknown Aug. 24, 2018 Act One: So Over The Moon Producer David Kestenbaum tells the story of an astronaut who returns with a very unexpected view of the great beyond. Staff RecommendationsView all 339 Aug. 24, 2007 Break-Up Starlee Kine tries to write the perfect break-up song with some help from Phil Collins. 355 May 9, 2008 The Giant Pool of Money The surprisingly entertaining story of how the U.S. got itself into a housing crisis.