Maybe they should also exercise, eat healthy, not be obese, avoid stress... All of that may boost vaccine effect! That does not apply to women, because they are gorgeous, and we should not tell them what to do. What a garbage!
My guess is that this study is a load of nonsense, they are probably just picking up a signal for how generally healthy a population is rather than any real difference in vaccination efficacy. We know healthy people fight the virus better, how do you effectively remove that from the fighting the virus better by vaccination? Having slept well sounds like something people who would fight COVID better anyway would do. D…
A meta-analysis of the associations between insufficient sleep duration and antibody response to vaccination K. Spiegel, A. Rey, A. Cheylus, K. Ayling, C. Benedict, T. Lange, A. Prather, Daniel J. Taylor, M. Irwin, E. van Cauter less Published 1 March 2023 Medicine, Biology, Psychology Current Biology