Public review preview. Candidate definitions have not yet been read by the two reviewers. Each entry shows its review status.
biological

Judged: two independent readers; copy check clear.

REM sleep

REM sleep REM sleep is a phase of sleep in which the eyes move quickly and brain activity shows a low-amplitude, fast pattern.

REM sleep is a phase of sleep in which the eyes move quickly and brain activity shows a low-amplitude, fast pattern. This stage is commonly connected with dreaming.