Sleep. Psychology. Environment. Exercise. Diet. It’s all related.
Don’t get the right amounts of sleep and sunlight and you risk agitating the four pounds of symbiotic bacteria in your gut. This leads to cravings which throw you off your eating plan. Continue negative or irrational thinking patterns and you’re setting yourself up for failure. Each aspect is dependent upon the others. It’s an incredible, complicated dance.
Start by getting more sleep. It will make life better, I promise.