Sleep and Testosterone: The Free Intervention
Most daily testosterone release happens during sleep, and restricting sleep to five hours has been shown to lower daytime testosterone
2 September 2026Read →
What testosterone actually does, how SHBG works, how testing is done, and the free interventions with better evidence than any botanical.
Most daily testosterone release happens during sleep, and restricting sleep to five hours has been shown to lower daytime testosterone
Population studies have reported a gradual decline in average male testosterone over recent decades, alongside the well-established ind
Testosterone is measured from a morning blood sample, ideally between 7 and 10 am, and an abnormal result should be repeated before any
Sex hormone binding globulin binds circulating testosterone and makes it unavailable to tissues. Total testosterone can look normal whi
Testosterone governs libido, contributes to muscle mass, bone density and red blood cell production, and influences mood and energy. It
Resistance training and regular aerobic activity both support healthy testosterone and, more importantly for this category, improve the
Excess body fat increases aromatase activity, converting more testosterone to oestrogen, and heavy alcohol intake independently suppres