Here are some interesting facts about life in space: In a spaceship, sleeping standing up is just as comfortable as sleeping down. But to get a good night's sleep, astronauts must strap themselves into a sleeping bag. When you drink water in space, if you use an ordinary cup, even if you turn the cup upside down, the water will not flow down. Because in a spaceship, water loses weight. Astronauts who want to drink water use a drinking bag with a straw. Bathing in space is not an easy task, and the water from the nozzle is always floating in the air. To solve this problem, scientists turned the shower into a sealed tub, or a sealed bath cover, and installed straws under the shower that sucked the water out of the nozzle in one direction. In addition, the astronauts also need to fix their feet, otherwise the water rush, they have to somersault. From the network