Evidence that sleep functions to repair and restore the brain and body comes from the research find that metabolic activity in the brain is dramatically low during:

Question

Quizplus · Accepted Answer

Slow-wave sleep is characterized by low frequency, high amplitude brain waves and is associated with a decrease in metabolic activity in the brain. This is when most of the restorative processes occur, including cellular repair and consolidation of memories. Fast-wave sleep, sleep spindles, and K complexes are also important for sleep function but are not necessarily linked to the restorative processes that occur during slow-wave sleep.

Evidence That Sleep Functions to Repair and Restore the Brain