My stick up cams going offline same time each night

I e got a problem with all my stick up cams going offline each night it’s not snoozed ect Ive got good internet connection all My eufy products work my bikes connected internet works fine I have very good internet speeds it’s the cameras ring customer service tried to say it’s my connection but definitely isn’t anyone have any idea it’s all 3 cameras which I find odd as ones like a inch away from the router