
Do Astronauts Float Around While They Sleep?
From Chasing Life by CNN Podcasts
April 14, 2026 · 16 min
About this episode
Dr. Sanjay Gupta discusses the health implications of astronauts sleeping in zero gravity after their historic lunar mission.
Four astronauts returned to Earth recently, after a historic 10-day lunar flyby mission in which they ventured farther into space than any human has before. They were part of Artemis II, NASA’s flight to test how well the agency’s Orion spacecraft, and the astronauts, operate in deep space — all in preparation for longer-term trips to the moon and beyond. CNN Chief Medical Correspondent Dr Sanjay Gupta answers some of your health-related questions about the mission, including: How do they sleep in zero gravity? What’s up with all those hot sauces? This episode was produced by Leying Tang and Andrea Kane Showrunner: Amanda Sealy Senior Producer: Dan Bloom Technical Director: Dan Dzula Learn more about your ad choices. Visit podcastchoices.com/adchoices
People in this episode
Host: Amanda Sealy
Guest: Dr Sanjay Gupta
Topics covered
- space exploration
- health in space
- zero gravity
- sleep
- NASA missions
Keywords
- astronauts
- sleep
- zero gravity
- Artemis II
- NASA
- health
- space travel
Mentioned in this episode
Organizations: NASA, CNN
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