Cognitive shuffling is a word-based mental technique designed to help quiet racing thoughts and ease your brain into sleep.

Another key psychological mechanism contributing to sleep procrastination is delay discounting; the favouring of immediate ...

REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.

When a child takes a 1 milligram dose of melatonin, the hormone quickly enters their bloodstream, signaling to the brain that it’s time for sleep. Melatonin reaches levels in the blood that can be ...