Learn how MIT researchers uncovered how our brains try to clean themselves mid-day, costing us attention in the process.

After a night of poor sleep, you don't feel as alert as you should. Your brain might seem foggy, and your mind drifts off ...

All the stress hormones are elevated when you are sleep deprived,” Dr. Peter Schulman explained, adding that it causes the heart to work harder.

Sleep deprivation reliably caused attention failures despite their obvious dangers, like the potentially fatal consequences ...

Cerebrospinal fluid (CSF), which cushions the brain and spinal cord and removes accumulated waste, plays a crucial role in ...

Despite growing evidence that sleep apnea contributes to cardiovascular disease and can even make it worse, about 50% to 77% ...