As a sleep researcher is monitoring you, he notices that your brain waves are showing almost all delta waves. He awakens you at this point, and you awaken in a complete state of confusion. You are most likely in which stage of sleep?
A)Stage 4 of NREM
B)REM sleep
C)Stage 2 of NREM
D)Stage 1 of NREM

Question

Quizplus · Accepted Answer

Delta waves are most prominent during Stage 4 of NREM sleep, which is the deepest stage of sleep. Awakening from this stage often results in confusion or disorientation.

As a Sleep Researcher Is Monitoring You, He Notices That