Insomnia risk rises and sleep duration drops the more you use a phone or tablet at bedtime, a new study finds.

Medical experts have highlighted insomnia and sleep apnea as the two most prevalent sleep disorders affecting Chinese people ...

One of the most common but overlooked signs of sleep deprivation is irritability, mood swings and difficulty focusing. Research from Cleveland Clinic indicates that a lack of sleep can lead to ...

Participants in the study self-reported insomnia on a questionnaire prior to enrolling in the lab-based sleep study. In the nine-hour overnight sleep study, called a polysomnography, sensors were ...