Is staying up late a sign of a sharper mind? The idea intrigues, amuses, and often sparks debate. A large-scale scientific study now sheds nuanced and stimulating light on the link between sleep ...

Can late-night eating make you gain weight? The short answer: It’s complicated. While the occasional late-night snack won’t necessarily add inches to your waistline, consistently eating later in the ...

People who naturally stay up late may be putting their hearts under added strain as they age. A large study tracking more than 300,000 adults found that middle-aged and older night owls had poorer ...