Sleep deprivation in over-40 men limits or stops muscle growth and repair processes; at least 8 hours of sleep per night is required, and less than 6 hours per night causes approximately a 25% drop in blood testosterone levels.

causalpending

Speaker

Cobus Bekker

Evidence Quote

you cannot expect to grow if you don't get enough sleeping... if you get only like four or five six hours sleep a 19 that's gonna limit this process... you need to get at least eight hours sleeping... less than six hours sleep a night... a 25% drop in your blood testosterone levels

Source

over 40 transformation workout - my 10 steps (age 54)Gert Louw
Created: 8/13/2026, 7:44:18 AM

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