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From crying to sleeping: 5 surprising everyday things astronauts can't do in Space

From crying to using the toilet, astronauts face strange challenges in Space. Without gravity, even simple actions like drinking water or sleeping need special tools and tricks. These 5 habits show how different and difficult a daily life is in zero gravity.

Muskan Verma | Jul 03, 2025, 12:37 PM IST

1.Can’t cry normally in space

Can’t cry normally in space
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In space, tears stick to eyeballs and poo, around the eyes unlike Earth. Astronauts like Andrew Feustel say crying feels more like stinging than relief. Without gravity, tears just hang there until wiped away.

 

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2.Pouring water into a glass is impossible

Pouring water into a glass is impossible
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In Space, liquids don’t pour instead they form floating blobs. Astronauts use special straws and sealed pouches to drink water. 

 

3.Astronauts can’t use a regular toilet

Astronauts can’t use a regular toilet
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Space toilets rely on air suction to manage waste. There’s no gravity to help, so astronauts use vacuum hoses and sealed containers. 

 

4.Can’t walk or run in Space

Can’t walk or run in Space
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Astronauts float and move by pushing off surfaces in Space. To stay fit, they strap themselves to treadmills with harnesses. 

 

5.Sleeping needs special bags in Space

Sleeping needs special bags in Space
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In zero gravity, there’s no bed. Astronauts zip themselves into sleeping bags fixed to the walls, which help them sleep peacefully in Space.

 

 

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