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flag Artemis II astronauts report best sleep in microgravity, floating upside down in bags.

flag Artemis II astronauts reported experiencing their best sleep ever while in microgravity, often floating upside down in specially designed bags. flag Experts say this relieves spinal pressure and improves circulation, though they still average less than six hours due to disrupted rhythms. flag The key takeaway is that stable positioning and consistent routines are crucial for quality rest.

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