The nurse is caring for a patient in the sleep lab. Which assessment finding indicates to the nurse that the patient is in stage 4 NREM?
A) The patient awakens easily.
B) The patient's eyes rapidly move.
C) The patient is difficult to awaken.
D) The patient's vital signs are elevated.

Question

Quizplus · Accepted Answer

The patient is difficult to arouse, vital signs are significantly lower, and this stage lasts about 15 to 30 minutes. Stage 4 NREM is the deepest stage of sleep. Lighter sleep is seen in stages 1 and 2, where the patient awakens easily. REM sleep is characterized by rapid eye movement.

The Nurse Is Caring for a Patient in the Sleep