News in Brief Genetics

DNA may determine if you’re an early bird or night owl

Certain genetic tweaks stand out in the DNA of people who describe themselves as early risers. 

GigabiTz/iStockphoto

By Sarah Schwartz

- More than 2 years ago

Being a morning person could be in your genes.

Certain genetic variations occur more frequently in people who self-identify as having an early-to-bed, early-to-rise lifestyle, a study of DNA from about 89,000 people has found.