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 ...

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, ...

Sleeping in space alters both rest and dreams, with astronauts often reporting vivid experiences that drift between ...

Scientists are learning what short and long-duration space missions do to human bodies. Some changes are common like a puffier face, bone loss, and less sleep. Here are nine ways the harsh conditions ...

"We don't follow the Sun," Indian astronaut Shubhanshu "Shux" Shukla told a captivated audience of students during a live HAM radio interaction organised by ISRO's North East Space Application Centre ...