my partners works 8 hours a day 5 days a week, he use to work 12 hour shift and he was always shattered he reduced his hours and still no better. he eats only fresh food and only drinks on a weekend when he's not working. he seem's to be getting worse. he can get up on a morning and within half hour he can be laid on the sofa dropping off to sleep. we have early night and he sleeps solid. please help as he is getting worse. he has cut his hours at work and i try and let him sleep a bit during the day then he has about 8/9 hours a night sleep.