The researchers also discovered that night owls were 19% more likely to develop type 2 diabetes. Being an early bird is even linked to having a longer life.

If you often stay up late and struggle to rise early, you're likely a night owl. But if you wake up refreshed at the crack of dawn, you might be an early bird.

A 2019 study indicates that being a night owl — a person who naturally feels most awake and energetic at night — is associated with an increased risk of type 2 diabetes, obesity, and depression.

In order to better understand her circadian rhythm, science journalist Lynne Peeples conducted an experiment in which lived for 10 days in a bunker, with no exposure to sunlight or clocks.

This connection is especially significant for teens, who tend to be night owls but typically start school early. One study randomly assigned over 700 adolescents to exam times in the early morning ...