NEW YORK (AP) — After a summer of vacations and late nights, it’s time to set those back-to-school alarms. A good night’s sleep helps students stay focused and attentive in class. Experts say it’s ...

I teach eighth-grade math. I have a student who sleeps (pretends to sleep?) through my class most days. Talking about it with him is not working. What do I do? Answer: Ahh, the middle-school sleeper: ...

Life is not so easy for my patients who are night owls. In the United States, the normative sleep schedule runs from about 11 p.m. to 7 a.m., though this varies with age, gender, geography (latitude ...