Help with Oversleeping Hubby!

Summer Lynn
Sorry this is kinda long! 
An ongoing issue I've been having is my SO sleeping too much! I wake up at 6 or 7 every morning and go to sleep at 9 or 10 at night, occasionally a little later if we are out or something. 
He on the other hand stays up til 3 or 4 in the morning playing video games. He does not wake up to alarms, and if I leave him alone he will sleep until 3 in the afternoon. 
When I do wake him up (which we made an agreement that I don't let him sleep later than 11 because he doesn't want to waste the day) I have to wake him up literally 10 or more times to the point where we are arguing and he ends up not getting up til far after 12. This is a daily occurrence. 
Keeping in mind he lost his job back in November when I was only 1 month pregnant and now I'm 6 months and he still hasn't found a job, I only care that he wakes up so he can get a head start on job hunting every day! I've told him a million times if he found a job, I would never wake him up or bother him unless he had to be at work (which he has never had a problem getting up when he has to go to work, only now that there's no solid time he HAS to be up). I feel like I'm dealing with a child that struggles to get up for school! It's getting ridiculous.... 
My mother suggested that he should pretend he has work every day at 9 or 10 so he can get up on a decent schedule, and stop staying up til 3, but he won't stop. I get a lot of "I know"s but nothing changes. This is seriously like dealing with a kid. 
Does anyone PLEASE have any advice on how I can get my extremely stubborn man-child on a decent sleep schedule? 

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