Like any form of entertainment, video games are fine in moderation. But when games are getting in the way of homework, revision and even sleep, action needs to be taken.
There’s no reason to feel powerless nowadays. All modern games consoles have built-in parental controls which let you limit the amount of playtime. You can set a total amount of play time or set a time cut off (e.g. they can’t be played any later than 9.30pm).
This website shows you how to set parental controls for Playstation, X-Box, Nintendo Switch, PC, Nintendo 3DS and more:
Some, such as Nintendo Switch, can even be turned on and off from an app on your phone.