People spend about a third of their lives asleep. Yet, surprisingly little is known about how our brains control falling asleep and waking up. Now, researchers led by Prof. Henrik Bringmann at the ...

Deep sleep does far more than rest the body — it activates a powerful brain-driven system that controls growth hormone, fueling muscle and bone strength, metabolism, and even mental performance.

Stiffness, achy joints, acid reflux, snoring — experts explain the pros and cons of the three main ways people sleep.

Millions of people make the same mistake ...