How Many Hours of Sleep You Need on Different Planets

Space travel might be a much closer future than we think. Imagine being able to travel through all the planets of our Solar System? You'd have to learn how to do many things in space... including sleeping. They say, in space sleeping on the floor is as comfortable as sleeping on the wall. How about sleeping on planets with different gravity? Learn more about your ad choices. Visit megaphone.fm/adchoices