Not everyone needs 8 hours of sleep to function properly. Some people can feel well-rested and show no negative effects of sleep deprivation, even after just 4 hours of sleep, which is likely the ...

Humans spend about one-third of our lives asleep, but scientists still don’t fully understand how sleep works and why some people have different sleep habits than others. “Natural short sleepers” are ...

Lindsey Hudson began to suspect her sleep habits weren’t the norm during her freshman year at Southern Nazarene University in Oklahoma. A competitive high school cheerleader, teenage Lindsey—busy with ...

weren’t the norm during her freshman year at Southern Nazarene University in Oklahoma. A competitive high school cheerleader, teenage Lindsey—busy with daily practices and homework—often wouldn’t go ...

“I generally sleep four hours a night, and then I’m up and good to go,” said a woman named Sindi van Zyl, recently profiled by Fast Company as being a “natural short sleeper.” Consisting of less than ...