How do astronauts sleep in space?
thanx, that sorta did help, but i need a bit more info.
Since there's no gravity in space, astronauts can sleep vertically (standing up) as well as horizontally. In the space shuttle, astronauts often sleep in their seats or in sleeping bags attached to the wall. On the International Space Station, the astronauts sleep in a Habitation Module with sleeping bags attached to walls as well. All an astronaut really needs to sleep in space is to be tethered to something so he can't drift around.
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