I feel for you. While unemployed I had some real problems getting to sleep at night and it caused all kinds of problems emotionally - anxiety attacks, warped thoughts etc.
The only thing that (more or less) fully solved it for me was getting back to work and being so mentally exhausted at night that I couldn't help but fall asleep. Even now the prospect of a particularly stressful day can ruin my sleep.
Beyond that, these things help/helped me:
- Avoid using the computer or any other electronic devices within an hour of going to bed.
- Avoid caffeine. I mean, literally, ALL caffeine.
- If you exercise, do so in the morning rather than the evening. You think it will tire you out, but the endorphins can really give your mind a buzz.
- Meditation techniques (no, seriously!) I practised clearing my mind of all thought, along with some breathing exercises. These can be a short term fix, but I found that they didn't guarantee prolonged sleep even if I did nod off.
- Try sleeping somewhere else for a while. I took to sleeping on the sofa - the change of scenery/body posture seemed to help a little.
The only other thing I can suggest is checking out some ASMR videos on youtube. I'm not sure what escapists feel towards ASMR, but some of those vids are incredibly soothing. I can fall asleep sitting up with my headphones on. Just don't interact with the "community"!
Captcha - it will pass... how prescient!