A UCSD study published in Neuroreport (Vol. 10, No. 18) in December 1999 found participants performed worse on an arithmetic working-memory task after 35 hours of sleep deprivation than after a normal night's sleep.
Sources
- How does the brain catch up? - American Psychological Association (apa.org)
- https://www.ovid.com/jnls/neuroreport/abstract/00001756-199912160-00004~sleep-deprivation-induced-reduction-in-cortical-functional?redirectionsource=fulltextview (ovid.com)
- https://pubmed.ncbi.nlm.nih.gov/10716202 (pubmed.ncbi.nlm.nih.gov)
- https://www.newswise.com/articles/studies-may-identify-people-who-perform-well-with-little-sleep (newswise.com)
- https://pmc.ncbi.nlm.nih.gov/articles/PMC3564638/ (pmc.ncbi.nlm.nih.gov)
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