Cry or shed tears: Without gravity, tears don’t fall but form floating blobs around the eyes

Shower like on Earth Water floats, so astronauts use rinseless wipes and no-rinse shampoo

Sleep lying down They sleep floating inside sleeping bags attached to the wall

Walk or run normally No gravity means no walking; astronauts float or use handrails to move

Grow tall Their spine stretches in microgravity, making them temporarily taller, but they can’t grow taller overall

Digest food normally Digestion slows down due to microgravity affecting the stomach and intestines