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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 ...

We know quality sleep is good for our overall health, but new research is pointing to its importance for brain health too. In the study, published Wednesday in online journal Neurology, researchers ...

Researchers studied a group of adults to learn more about the connection between sleep quality and brain aging. The scientists used MRI scans to determine each person’s ‘brain age’ and compared that ...

Researchers found that missing a single night of sleep can quickly affect key parts of the immune system. The study found important immune cells became overactive after sleep loss. Researchers say ...

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 ...