Sleep disorders occur more frequently in Europe than previously assumed. The most significant include obstructive sleep apnea, insomnia, and restless legs syndrome, affecting 31 percent of the adult ...

A recent study suggests that pink noise may interfere with REM sleep nd reduce overall sleep quality. The researchers say ...

Insomnia is no longer just a nuisance that makes mornings miserable. Large cohort studies now suggest that chronic insomnia, defined as trouble falling or staying asleep at least three nights a week ...

Pink noise — low-frequency broadband noise often used in sound machines and sleep apps — is associated with a decrease in REM ...

Diagnoses of psychosis are rising in people born more recently, with symptoms appearing at younger ages.

Rather than promoting better quality sleep, pink noise and other ambient noises may harm sleep quality more generally.

Sound machines and “sleep sounds” are often marketed as a cure for restless nights, but new research suggests they may ...

Sleep diaries and online tools are available for patients to do preliminary work toward a sleep disorder diagnosis.

Re: “REM growing pains seen as broken promises” (The Gazette, Jan. 29) ...

Two sleep doctors explain what deep sleep is, how much we need and the real number you should be looking for on your Apple ...