<prompt> Which of the following disorders is not seen in the REM stage of sleep?NightmaresNarcolepsySomnambulismSleep apnea  <response>: Ans. C. SomnambulismSlow wave sleep disordersa. Night terrorpavor nocturnusb. Somnambulismc. Somniloquyd. Bruxisme. Nocturnal enuresisREM desynchronized sleepparadoxical sleep disordera. Nightmaresb. Narcolepsyc. Insomniad. Sleep apnea 