You know how it goes: You’re trying to get some shut-eye in your bunk after a long shift of scraping samples of prebiotic material from red rocks in Utopia Planitia, and before you know it, your alarm ...

It’s no secret that we live in a sleep-deprived society. More than a third of Americans don’t get enough shuteye, defined as a minimum of seven hours a night. It’s not just the U.S.: much of the ...