However, some research shows that major stressors may increase REM sleep but reduce deep sleep. REM rebound, which is when we ...

Discover how sleep influences physical and mental health, improves daily performance, and helps prevent chronic conditions.

The study, published at the end of November in the Journal of Neuroscience, throws light on how the synchronized brainwave patterns during non rapid eye movement (NREM) phase of sleep enhances ...

Discover what causes sleep talking, whether your nighttime chatter reveals hidden secrets, and how to reduce these nocturnal conversations with expert tips.

Most marathon training blocks last between 12 and 18 weeks, which is a long time to be pushing your body through its paces.

Yet stages 1 through 4 have been labeled as non-REM sleep, or NREM—80 percent of sleep is defined by what it’s not. Sleep scientists speculate that specific sequences of NREM and REM sleep ...