In which sleep phase does brain metabolism increase by up to 20%?

Name: In which sleep phase does brain metabolism increase by up to 20%?
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Question

Quizplus · Accepted Answer

During the REM (Rapid Eye Movement) phase of sleep, the brain metabolism increases by up to 20% compared to when a person is awake. This is because the brain is highly active during this phase, as this is when most of our dreaming occurs. In contrast, brain metabolism is lower during the non-REM phases of sleep.

In Which Sleep Phase Does Brain Metabolism Increase by Up