Yes, and to me good sleep is highly correlated to physical and mental health and all what is mentioned affects one or both of them. Is not a matter of just to

Yes, and to me good sleep is highly correlated to physical and mental health and all what is mentioned affects one or both of them. Is not a matter of just to wanting to have good sleep but try to solve other problems such as food, alcohol, cigarettes, drugs, lack of sport, caffeine, …