Don’t scare your cats! Invite them to something they love (and that benefits you at the same time).

My solution for getting good nights’ sleep;

I got a 10 W electric heat pad (rugged version specific for pets) that is hidden in a corner of the bed under the covers. It’s not hot, but it’s warm enough (lukewarm) so cats love to sleep, lounge, hang in that spot. I turn it on in late September and it’s on 24/7 until sometime in late April/early May. Best $20 investment ever.