Question

question 6 of 10 which stage of sleep is marked by long, slow delta brain waves? a. stage 2 b. stage 4 c. stage 1 d. stage 3

Explanation:

Delta brain - waves are slow - frequency brain waves. Stage 4 of sleep is characterized by the presence of long, slow delta brain waves. It is a deep - sleep stage.

Answer:

B. Stage 4