# A review of caffeine's effects on cognitive, physical and occupational performance

McLellan TM, Caldwell JA, Lieberman HR · Neuroscience & Biobehavioral Reviews 71:294–312 · 2016



## Key finding

Caffeine restores performance lost to sleep deprivation but does not exceed the rested baseline — no free passes.



[Read the paper](https://pubmed.ncbi.nlm.nih.gov/?term=A+review+of+caffeine's+effects+on+cognitive,+physical+and+occupational+performance)

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Educational summary of published research, not medical advice. Screening scores are not diagnoses. If a score is elevated or you feel unwell, talk to a clinician.

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