
1) Cause of a nightmare 2) Dream sequence 3) Dreaming phase 4) Dreamy state 5) Overnight activity 6) Polysomnogram reading 7) What you dream during
Found on
https://www.crosswordclues.com/clue/rem-sleep

One of the five stages of sleep. During REM sleep, the eyes move rapidly while closed and dreams occur. REM sleep is the lightest stage of sleep, during which a person may wake easily. During several hours of normal sleep, a person will go through several sleep cycles that include REM sleep and the 4 stages of non-REM (light to deep sleep). Also ca...
Found on
http://www.cancer.gov/dictionary?expand=R

REM sleep: REM sleep is the portion of sleep when there are rapid eye movements (REMs). Dreams occur during REM sleep. We typically have 3 to 5 periods of REM sleep per night. They occur at intervals of 1-2 hours and are quite variable in length. An episode of REM sleep may last 5 minutes or over an hour. About 20% of sleep is REM sleep. If you sle...
Found on
http://www.medterms.com/script/main/art.asp?articlekey=8677

See sleep stages.
Found on
https://www.encyclo.co.uk/local/20821

rapid eye movement sleep; the stage of sleep in which dreaming occurs
Found on
https://www.encyclo.co.uk/local/20875

Phase of sleep that recurs several times nightly in humans and is associated with dreaming. The eyes flicker quickly beneath closed lids
Found on
https://www.encyclo.co.uk/local/21221
No exact match found.