Cardiac autonomic activity during sleep deprivation with and without caffeine administration.
Physiol Behav. 2019 Oct 15;210:112643. doi: 10.1016/j.physbeh.2019.112643. Epub 2019 Aug 6.
Physiol Behav. 2019.
PMID: 31398441
Free PMC article.
Clinical Trial.