If you still feel tired after getting eight hours of sleep, something may be precluding you from feeling well-rested. Certain ...

Add Yahoo as a preferred source to see more of our stories on Google. Yawning woman pours coffee into a cup - Jamie Grill/Getty Images For some people, it's simply impossible to feel awake and ready ...

Tryptophan in turkey has become almost as famous as the bird's white and dark meat. So has the legend of its power to make people sleepy. But does Thanksgiving turkey actually induce drowsiness? "No ...

Have you ever grabbed a cup of coffee to fight off fatigue—only to feel even sleepier afterward? If you’ve asked yourself, “Why am I sleepy after coffee?” you’re not alone. Many people experience ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. You may have seen the simple recipe on your ...

"No more so than tuna fish. It's a myth," Dr. Marc Eisenberg, a clinical cardiologist and associate professor of medicine at the Columbia University Medical Center in New York, tells TODAY.com.

(CNN) — Good sleep goes a long way in today’s busy world, so often people are looking for the perfect fix for better rest. Enter the sleepy girl mocktail. You may have seen the simple recipe on your ...