Sleep and Immune Function
https://pmc.ncbi.nlm.nih.gov/articles/PMC3256323
The Extraordinary Importance of Sleep
https://pmc.ncbi.nlm.nih.gov/articles/PMC6281147
Sleep is Essential to Health
https://jcsm.aasm.org/doi/10.5664/jcsm.9476
Role of Sleep Deprivation in Immune-Related Disease Risk
https://www.nature.com/articles/s42003-021-02825-4
How Lack of Sleep Impacts Cognitive Performance and Focus
https://www.sleepfoundation.org/sleep-deprivation/lack-of-sleep-and-cognitive-impairment