Cortisol and fat gain gym stress explained: Elevated cortisol levels from overtraining can hinder fat loss and muscle recovery. Aim for at least 7-9 hours of quality sleep nightly and consider incorporating active recovery days. Did you know high cortisol can also increase cravings for unhealthy foods? #foamrolling #foamrollertips #myofascialrelease #selfmassage #muscletightness