2. Not Sleeping Right
However, if you cut back on your beauty sleep and spend that time on your workout session, the odds are that you’re probably going to do more damage to your body than good.
Not getting enough sleep will minimize the benefits of exercise. It can also lead to weight gain. How? By sleeping less than you should, you’re slowing down your metabolism, increasing your appetite and stress levels, and making yourself more tired (which affects workout performance and endurance).