Study: Indulging in the occasional siesta might reduce your risk of heart disease and stroke.

After seven years, lung failure patient asks her doctors, “Am I still the sickest patient you ever had that lived?”

A lack of sleep is associated with higher risk of heart disease—but the link might have more to do with genetics.

Researchers suspect about 1 in 300 people classify as extreme early birds—in bed by about 8 p.m., up by 4 a.m.

New research shows people who use antacid drugs are almost twice as likely to need allergy medications.

Years-long study finds city dwellers in tree-shaded neighborhoods experience less psychological distress and enjoy better general health.

An expert gives us the goods on how to best fight seasonal sniffling and the ah-choos.

Explore 8 healthy sleep habits that'll help students rise and shine this year.

A full night's sleep could lead to improved mood and better brain function, boosting creativity, accuracy and memory.

The flu bug hit 3-year-old Jase so hard he ended up on life support, fighting for his life.

There's a happy medium between the parent who travels with bleach and the parent who lets a kid eat mud pies.

If you’re a guy, you probably have some theories about testosterone, erectile dysfunction and the like. Now’s your chance to test them.