Interesting research/stats on Testosterone & LH levels, REM and other stages of sleep, and corresponding changes in hormones in both young/middle age men.
Middle-Aged Men Secrete Less Testosterone at Night Than Young Healthy Men
Interesting research/stats on Testosterone & LH levels, REM and other stages of sleep, and corresponding changes in hormones in both young/middle age men.
Middle-Aged Men Secrete Less Testosterone at Night Than Young Healthy Men