Behind his closed eyelids, rapid eye movement signified dream sleep.

Saul closed his eyes and almost slipped into dream sleep.

Finally, alcohol is a potent blocker of dream sleep, also known as REM sleep, which is critical for many brain and body functions.

And it included the fact that cats deprived of dreaming sleep seemed to get intent on mounting other cats.

It contains a Sweet Dreams sleep mask and a pair of earplugs, which confuses me until I remember a comment Pita made yesterday.

A dream is either real, or so by way of semblance, and so some men dream sleeping, and some waking (Isa 29:7).