What is the primary difference between a hypnogogic and hypnopompic hallucination?
A) Hypnogogic hallucinations occur just after we've fallen asleep, while hypnopompic hallucinations occur between REM sleep and waking up.
B) Hypnogogic hallucinations occur in REM sleep, while hypnopompic hallucinations occur in NREM sleep.
C) Hypnogogic hallucinations occur in NREM sleep, while hypnopompic hallucinations occur in REM sleep.
D) Hypnopompic hallucinations occur just after we've fallen asleep, while hypnogogic hallucinations occur between REM sleep and waking up.

Question

What is the primary difference between a hypnogogic and hypnopompic hallucination?
A) Hypnogogic hallucinations occur just after we've fallen asleep, while hypnopompic hallucinations occur between REM sleep and waking up. 
B) Hypnogogic hallucinations occur in REM sleep, while hypnopompic hallucinations occur in NREM sleep.
C) Hypnogogic hallucinations occur in NREM sleep, while hypnopompic hallucinations occur in REM sleep.
D) Hypnopompic hallucinations occur just after we've fallen asleep, while hypnogogic hallucinations occur between REM sleep and waking up.

Quizplus · Accepted Answer

Hypnogogic hallucinations occur just after we've fallen asleep, while hypnopompic hallucinations occur between REM sleep and waking up.

What Is the Primary Difference Between a Hypnogogic and Hypnopompic