A new brain-imaging study argues sleep is not one problem but five.

Scientists have discovered five different types of sleep in humans, each with its own distinct brain activity pattern and impacts on health and behaviour, an advance that could lead to new depression ...

Two distinct patterns of "sleep spindles"—brief bursts during non-REM sleep—strongly correlate with cognitive ability. Strong, high-amplitude fast spindles link to superior reasoning and processing ...

Unhealthy sleep patterns and shorter sleep duration are correlated with increased obesity risk in American adults. Sleep pattern scoring provides a more comprehensive predictive indicator for obesity ...

"I have to get my deep REM sleep," expresses a common confusion about two very different types of sleep. Deep sleep and rapid eye movement (REM) sleep are not the same; they do not even overlap. They ...

A groundbreaking analysis of sleep patterns and metabolic health has revealed a concerning connection between irregular sleep schedules and the development of type 2 diabetes. Drawing from data on ...

Exercise improves sleep quality and helps treat sleep disorders by regulating circadian rhythms, reducing stress, and enhancing physiological functions like melatonin production and autonomic balance.

Add Yahoo as a preferred source to see more of our stories on Google. Sleep apnea is a common sleep disorder that causes abnormal breathing patterns as you sleep, like pauses in your breath. These ...