You feel that the consumption is shallow yet you get value from it. Your work is tedious. If your desire is to do some work-like activities after work but you feel that you don't have the mental energy, you should try some activities like physical exercise, naps, or cold showers.
https://www.betterup.com/blog/mental-fatigue
If you're just feeling guilty pleasure from the Internet variety of "watching TV" I'd say get over it. You deserve it even if you've only been productive one minute today but your job is stressful.
If you want to do a different activity but you can't stop your behavior then you are addicted. In this case you should try to change your environment so that it becomes easier to do the thing you want to do and much harder to do the activity that you want to do less. If this doesn't work you might need professional assistance but that's not something to be ashamed of