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 ...

An astronaut's eyes can change during spaceflights that last six months or more. That could be a problem for future planned missions. After decades of research, scientists may have a seemingly ...

ISS inhabitants sleep strapped to the wall and experience 16 sunrises a day. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. We humans have ...

"Simple changes like sticking to a regular bedtime, reducing screen time before bed and avoiding caffeine in the afternoon can help," says Shelby Harris, a clinical psychologist and director of sleep ...

The body and mind need rest to function properly, and the brain is no exception. During sleep, a crucial process known as the glymphatic system works to clear waste products from the brain, which are ...