Research has shown that both short-term total sleep deprivation (up to 45 hours without sleep) and partial sleep deprivation (sleeping no more than 5 hours per night for one or more consecutive nights) can have large negative effects on mood, cognitive performance, and physical performance.

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Research consistently shows that sleep deprivation, whether total or partial, significantly impairs mood, cognitive functions, and physical performance due to the brain and body's need for sleep to recover and consolidate memories, among other vital processes.

Research Has Shown That Both Short-Term Total Sleep Deprivation (Up