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Facts (3)
Sources
Why Sleep Matters: Consequences of Sleep Deficiency sleep.hms.harvard.edu 1 fact
claimInsufficient sleep may cause fatigue that prevents individuals from burning extra calories through exercise.
Cycle Syncing: How to Understand Your Menstrual Cycle to Reduce ... healthmatters.nyp.org 1 fact
claimDuring the menstrual phase, individuals may experience fatigue due to cramping and blood loss, and while some find that exercise helps reduce menstrual cramps, others may not feel physically capable of working out.
How Testosterone Changes Affect Men's Health as You Age columbiadoctors.org 1 fact
claimDecreased energy in men can create a cycle where fatigue prevents exercise, leading to further muscle loss and weight gain, which ultimately decreases testosterone levels.