How to guarantee the most amazing coma like 9 hour sleep ever & wake up feeling like a brand new person: roast yourself half to life in a series of furnaces posing as saunas plunge yourself into a pool of near freezing water to recover after each session! repeat several times!
Do you know how to dissipate anxiety, stress & pain?
Try a banya meditation for two hours moving back & forth from a 200°F sauna to a 48°F ice cold pool. Repeat. There is no medication no exercise that can shock you out of your head and back into your body like this process can.