> I spend most of my time mindlessly browsing HN or Reddit, eating whatever I find and sleeping late.

This sounds like my routine...

What you’ve described is indeed extremely stressful and emotionally exhausting. It sounds like an expected response! You could consider this the valley before climbing back up to not feeling this way.

Time helps - but it may take more than that. I would confide in friends if you have them, and consider talking with a professional...