I use an Athom Plug V2 running an operating system called Tasmota. The plug has a little web site where you set when it switches off and on. My router once got stuck when i was away from home I now use this plug to power it off and on early on Sunday mornings. The schedule is stored in the plug so it operates even if there is no internet connection.
You can buy these plugs here. They show much much power the connected device uses. I now know my fridge uses 1.5 kwH per day.
This is another one.
More or less what I buy, but I buy GOSUND onee, but not using Tasmota, Not sure about putting them on my router to turn it off as they will need a network connection.
I did put one on to see how much energy the router corner as i call it was taking,
1.5 a day? wow, my fridge freezer is just under 1KwH a day
Anyway.
There are bluetooth smart plugs available, but need to be in proximity to access them.
Adrian
Desktop machines Mac mini pro with macOS Ventura, also pc Ryzen powered with windows something or other.
Zooming with Zzoomm FTTP,