If your sleep is shithouse, what that does is the next day, your stress hormones are higher. What is also higher the next day is ghrelin, the major hunger hormone. You're more likely to eat more than because cortisol is high and you crave sugary fatty and salty foods. And at the same time, the entire next day, leptin is lower. Leptin governs voluntary physical activity in the brain. So with lower leptin, you're much more likely to sit on your arse all day long. Then with not doing exercise, you're less able to handle the stresses of the day's events,. Because it's the best stress bus there is. Your mood can