Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
The restoration theory suggests that sleep is necessary for the body and mind to restore and recover from daily activities. It proposes that during sleep, the body repairs itself, consolidates memories, and replenishes energy levels.
Lack of sufficient sleep that can lead to impaired cognitive function and negative health consequences.
Slow-wave sleep: A deep stage of non-rapid eye movement (NREM) sleep characterized by slow brain waves; it is believed to be important for physical restoration.
Rapid eye movement (REM) sleep: A stage of sleep characterized by rapid eye movements; associated with dreaming and cognitive restoration.