Muscle twitching, bod twitches during sleep

Hi! I’ve noticed my husband when he’s sleeping he will have muscle twitches /slight body movements during sleep like every 5 minutes, but subsides through the night. I notice more when he’s been stressed or has lots is anxiety (2020) has been tough. Anyway...any advice on this? Everything worries me on google. Thanks!

I don't Google anything, I'll have everything under the sun wrong with me.

If I am short on rest, and under stress (which the stress part is a lot of the time for me) I will have trouble falling asleep sometimes, for all the muscle twitches. The more rest I get, the better it is.