During stage 2 sleep, most of the brain waves will be measured as waves.
a. beta
b. alpha
c. theta
d. delta

The sleep has four different stages: Non-REM (NREM) sleep (Stages 1, 2 & 3) and REM sleep. During stage 2 sleep, most of the brain waves will be measured as theta waves. Correct C

This stage usually lasts about 20 minutes, is characterized by a slowing heart rate and a decrease in body temperature.

the answer is 12 hope it

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