By adding hot or cold water, the astronauts can prepare and eat foods like chicken, potatoes, and beans. Some foods can be heated in a conventional type oven, one which looks like a suitcase. Eating and sleeping in space is different because of weightlessness. The astronauts have to be careful with their food, or it can float away. They have to strap themselves in place while sleeping, or they could float away too.
Astronauts brush their teeth, take sponge baths, and go to the bathroom in space.
Waste is placed in a receptacle and brought back to Earth. Living in Space Astronauts living in space do most of the same things they would do on Earth. They eat, sleep, and attend to personal hygiene everyday, just as we do. By adding hot or cold water, the astronauts can prepare and eat foods like chicken, potatoes, and beans. Some foods can be heated in a conventional type oven, one which looks like a suitcase.