Sleep 30 minutes longer every night and you'll cut your appetite by as much as 40%! Studies show that's the amount of extra food people typically eat when they're fatigued. When exhausted the body interprets that as a cue to fill up on fattening, sugary foods (the number one source of quick energy).
Being exhausted slows your ability to burn calories. A 20-minute nap can rev the metabolism back to normal.
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