Sleeping with a pump

I've been T1 for about 8-9 years now, pumping for 4... and no matter what I do I can't shake the sensation of sleeping with a brick in my pocket. I tend to move and roll in my sleep and nothing works to keep it in 1 place. I've tried loose under my pillow, in tight underwear, leg strap, free roaming pockets... I really need some new ideas. Reddit?