Medicine and science in sports and exercise2020n = 10
RCTHuman
This study looked at how going without sleep affects muscle recovery after hard exercise. Ten men did 240 hard lengthening contractions of the thigh muscles, then either stayed awake for…
Journal of endocrinological investigation2020n = 569 patients
Meta AnalysisHuman
This meta-analysis set out to see whether physical exercise causes a short-term rise in testosterone levels in men. It pooled data from 48 studies that measured total and free testosterone…
The American journal of clinical nutrition2020n = 16 (8 per group)
OtherHuman
This study set out to see whether two weeks of eating earlier in the day improves how muscle takes up sugar and amino acids. Sixteen healthy young men were put…