Research from the University of Chicago's General Clinical Research Center shows that insufficient sleep cuts fat loss by half.
This seems counterintuitive: less sleep could mean more activity and calorie burn. Yet it proves untrue. Sleep deprivation heightens muscle mass loss, undermining body composition efforts.
Hungrier than usual? The study found 'hunger hormones' rise with sleep loss. Still, participants sleeping 8.5 hours ate the same amount as those limited to 5.5 hours.
