Research on sleep loss and disruption in men, and what it costs hormones, recovery, and metabolism.
This study tested how different doses and timing of caffeine affect sleep in men who usually drink moderate amounts. It compared a placebo, 100 mg, and 400 mg of caffeine…
This study looked at whether a heart-healthy lifestyle is linked to better sperm quality in young men, using the American Heart Association's Life's Essential 8 score. That score rates eight…
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…
This scoping review set out to map the evidence on how psychosocial work factors affect male fertility and sperm quality. It analyzed 18 peer-reviewed studies from 1990 to 2024, focusing…
This study looked at whether a short, high-dose creatine (a compound stored in muscle that helps regenerate quick energy for short, hard efforts) routine improves sleep, performance, thinking, and recovery…
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…