Yes, going on 28 years now...I have one of those mattress toppers, that forms to your body, as you sink into it. I also have my first pillow, of the same stuff, with a regular pillow on top.
The gun sinks into the mattress topper, and the first pillow molds around it. It doesn't move at all. I keep the mag. loaded, and chamber empty.
I also don't toss and turn much..
I have a friend, who's a heavy sleeper, who kept his pistol on his nightstand. he guesses he forgot to lock his door on night,(he thinks, no sign of forced entry.), and someone walked right in while he was snoring away, and stole his pistol, billfold, knife, and checkbook, that was on his night stand.....