Assertion: dream | /r/AtLocation | all stages of sleep
Facets:
Source sentences:
text: Dreams occur in all stages of sleep, but they seem to become increasingly fragmented as the night progresses.
text: Attempts to identify dreaming with mental activity during REM sleep have not, however, been successful, and many now hold that dreams can occur in all stages of sleep (e.g., Antrobus 1990; Foulkes 1993b; Solms 1997, 2000; Domhoff 2003; Nemeth & Fazekas 2018).