1-C. If they were to sleep in an ordinary bed as they do on Earth, their bodies would float away in the air currents and possibly knock into something.If they were to sleep in an ordinary bed as they do on Earth, their bodies would float away in the air currents and possibly knock into something.
3-C. How do astronauts sleep when they are floating in a spaceship or space station?How do astronauts sleep when they are floating in a spaceship or space station?