Not only must your brain maintain a vast archive of existing memories, but it also has to keep track of new stuff each day. That requires getting ready to deal with new memories before they occur, ...

Stress, anxiety, excitement, work, school, and travel can make it harder to fall asleep at night. To get better sleep, experts recommend making small lifestyle changes like creating the right sleep ...

Having trouble getting enough rest? A new scientific review suggests there might be a link between eating fermented foods and getting better sleep. A number of human and animal studies have discovered ...

What is a sleep study? A sleep study, also known as a polysomnogram, is a diagnostic test that monitors various body functions while a person is asleep. It is most commonly used to diagnose sleep ...

Stress and sleep are closely related. Stress raises cortisol levels, delays sleep, reduces sleep quality, and may increase the likelihood of nightmares. A lack of sleep can also affect day-to-day ...