Open the YouTube app and tap your profile picture at the top right. On the next screen, tap Settings. On the Settings screen, you will see a 'Remind me to take a break' option at the top. Tap it, and select how much YouTube you're allowed to watch.
Open the YouTube app and tap your profile picture at the top right. On the next screen, tap Settings. On the Settings screen, you will see a 'Remind me to take a break' option at the top. Tap it, and select how much YouTube you're allowed to watch.