Content type: Research Paper

Where sleep is restricted for more than four days, effects will be evident across a range of cognitive abilities, including working memory, attention, language skills and communication.

Cite: Van Dongen, H. P., Maislin, G., Mullington, J. M., & Dinges, D. F. (2003). The cumulative cost of additional wakefulness: dose-response effects on neurobehavioral functions and sleep physiology from chronic sleep restriction and total sleep deprivation. Sleep, 26(2), 117–126. https://doi.org/10.1093/sleep/26.2.117