The EEG tracing of the patient in the sleep laboratory shows that brain waves have slowed to about 1 to 2 cycles per second.In addition,breathing and heart rate have decreased.What stage of sleep is the patient most likely enjoying?

Question

Quizplus · Accepted Answer

Stage 3 and 4, also known as slow wave sleep or delta sleep, is characterized by slow brain waves with a frequency of 1 to 2 cycles per second. Breathing and heart rate also decrease during this stage. Therefore, the patient is most likely in Stage 3 or 4 of sleep.

The EEG Tracing of the Patient in the Sleep Laboratory