It's probably worse because your external distractions are down to a minimum. There is less noise and less stimulus coming from the outside.

So your brain starts over working on the inside.

It can allow you to get carried away in past events and leave you exhausted over current or future events that keep unraveling in your mind. Although your days are "crap" when you're lying in bed, you're not moving around and the events of the day do not keep you busy.

Have you tried downloading positive affirmation podcasts on your phone or relaxation apps on your phone? You can lie in bed and listen to it with your headphones on. Keeping a journal with a padlock on next to your bed so that you can write it all out may help.

When do you see your T again? (If you see one)