Urology2026n = 766
Cross SectionalHuman
This study looked at how depression, testosterone levels, and shift work are linked in men with symptoms of low testosterone. It reviewed medical records and survey data from 766 men…
Journal of clinical medicine2025n = 418 (199 males, 219 females)
Cross SectionalHuman
This study set out to examine how sleep quality and daytime sleepiness together affect injury risk in physically active university students. It analyzed data from 418 students (199 males, 219…
PloS one2025n = 7,306
Cross SectionalHuman
This study set out to see whether men who like and seek out sunlight have less depression and better sleep. It used 7,306 American men from NHANES (a large, recurring…
Andrology2024n = 1,055
Cross SectionalHuman
This study looked at whether sleep duration affects markers of male fertility in young men. It analyzed 1,055 Danish men who reported their sleep habits and gave semen and blood…