As you are lying in bed, your mind begins to drift and you become increasingly drowsy. During this short, transitional stage of sleep, you disengage from the routine sounds in your environment. This sleep stage is called:
A) REM sleep.
B) stage 1 NREM.
C) stage 2 NREM.
D) paradoxical sleep.

Question

Quizplus · Accepted Answer

The description of disengaging from routine sounds in the environment and transitioning into sleep is characteristic of stage 1 NREM sleep. REM sleep is the stage of sleep in which we experience vivid dreams, and paradoxical sleep is another term for REM sleep. Stage 2 NREM sleep is characterized by the presence of sleep spindles and K-complexes, which are not mentioned in the given scenario.

As You Are Lying in Bed, Your Mind Begins to Drift