Sleep Disorders

5 Things You Didn't Know About SAD and Sleep


You're not sleepy because it’s cold

SAD can cause insomnia or hypersomnia

Sunlight affects the sleep center of the brain

You won’t feel refreshed by sleeping more

SAD is also caused by circannual rhythms

Kristina Brooks

Kristina Brooks

Kristina Brooks was a digital editor at HealthCentral with a background in animal biology, ecology, and health science. While studying broadcast journalism, she discovered the great need for health reporters that could translate research to the public. In her work, she hopes to use research to help consumers make smart decisions about their healthcare, and empower patients to stay confident and in charge of their chronic conditions. She helped launch HealthCentral's inaugural MythWeek.