sleep

Paleoanthropologist Daniel Lieberman says the concept of "getting exercise" is relatively new. His new book, Exercised, examines why we run, lift and walk for a workout when our ancestors didn't.

Sleep-deprived adolescents are more likely to carry handguns, even to school, according to new research from Florida International University. FIU...

Anya Contreras’ ninth grade algebra class started first thing in the morning, right around 7:30. “I’m not a math person, and I’m not a morning person...