I’ve noticed I’m more focused when some website are unavailable (reddit, youtube, etc…)
For this I use on Firefox LeechBlock : https://addons.mozilla.org/en-US/firefox/addon/leechblock/
Or Mac OS app Selfcontrol : https://selfcontrolapp.com/
I thought it could be a nice new feature to Pi-Hole to integrate this process.
Having an extra independent blocklist that you can activate or deactivate manually or with a schedule.