Is Poor Sleep to Blame for Low Testosterone?
Sleep is a primary driver of testosterone production, with 70‑90% of daily hormone output occurring during nightly rest. A University of Chicago study showed that limiting sleep to five hours for a week drops testosterone by roughly 15%, equivalent to a decade‑plus of hormonal aging. Consistency matters too; a UK analysis of 60,000 adults found regular sleep timing is as important as total duration for hormonal health. Diet compounds the issue, as ultra‑processed foods and short sleep together further suppress testosterone levels.
Could Eating More Fibre Improve Deep Sleep?
A new observational study of 3,500 Israeli adults tracked with food diaries and wearable sleep monitors found that higher daily fibre intake and greater plant diversity are linked to modest gains in deep and REM sleep and a lower nocturnal...
Omega-3s: Do They Help You Sleep?
Omega‑3 fatty acids—EPA, DHA, and ALA—are essential nutrients linked to brain, heart, and inflammation regulation. While DHA may boost melatonin and neuronal stability, research on sleep benefits remains mixed, with modest gains in some trials but no clear advantage for...