Artemis II astronauts sleep “like a bat” or wherever they can fit themselves comfortably in their crammed spacecraft quarters ...

From bathroom and toilet to space food and sleeping bags, see how the Artemis crew rearranges the Orion spacecraft interior ...

Cocooned in sleeping bags and floating upside down, the Artemis II crew reported having some of the best sleeps of their ...

Russian astronaut Vasily Tsibliyev hadn’t had a good night’s sleep for 12 days. He was being kept awake on purpose, as part of a study about sleeping on board the space station Mir. On the 13th day, ...

Sleep deficiency is pervasive among astronauts before and during space flight, and the reported incidence of sleep-promoting medication use is 20 times greater than the proportion of Americans ...