After Carlos had been asleep for about an hour and a half, his heart began to beat faster, his breathing became fast and irregular, and his closed eyes began to dart back and forth. Carlos was most likely experiencing

After Carlos had been asleep for about an hour and a half, his heart began to beat faster, his breathing became fast and irregular, and his closed eyes began to dart back and forth. Carlos was most likely experiencing







A) Stage 4 sleep.
B) sleep apnea.
C) narcolepsy.
D) REM sleep.
E) a hallucination.







Answer: D


AP Psychology

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