NASA astronaut Sunita ‘Suni’ Williams once unveiled the glamorous way astronauts sleep in their spacecraft. She explained that there is no real sensation of lying down in space as on Earth ...

Napping is one of life’s greatest pleasures. In fact, it’s what we’re meant to do. As William Dement, founder of Stanford University’s Sleep Research Center, argues, human beings were designed to ...

An eight-day mission has turned into a nine-month space stint for two NASA astronauts who are finally set to come home. But ...

Isolation, confinement, and the pressures of high-stakes decision-making can weigh heavily on astronauts. Sleep is another challenge. The ISS orbits Earth every 90 minutes, meaning astronauts ...

CAPE CANAVERAL, Fla. — NASA’s two stuck astronauts may end up back on Earth a little sooner than planned. The space agency announced Tuesday that SpaceX will switch capsules for upcoming ...

sleep disturbances, cognitive performance declines and mood disorders. The effects of prolonged isolation and close-quarters living among astronauts - during stints aboard space stations or longer ...

Part of her work is researching to help astronauts adapt to get good sleep in outer space, where there is no day-night cycle. “This is actually a place where the space research that we do is ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. NASA’s Suni ...