This has been happening to all f our Google speakers inc the screens
When I go to bed me or dH will tell Goole to "stop in xxx minutes" and it should turn off then but does not
I wasted time and effort rebooting it new app etc. We both searched the net and only found out today this problem has been ongoing for about 3 weeks and it had happened before in Feb I think
We tried different words etc but it is at Google's end and they don't seem to be doing anyhitng
Are you suffering as well?
We have Alexa screens as well and thinking of moving one of those into the bedroom