REM
abbreviation /rem/,  /ˌɑːr iː ˈem/
  /rem/,  /ˌɑːr iː ˈem/
- rapid eye movement(describes a period of sleep during which you dream and your eyes make many small movements)
- REM sleep is an essential part of brain function.
 
Wordfinder- doze
 - dream
 - drowsy
 - insomnia
 - oversleep
 - REM
 - sedative
 - sleep
 - soporific
 - tired