On the worrying point. If you find yourself worrying that you can’t fall asleep, remind yourself that just laying there is giving yourself a chance to slowdown and relax. Giving yourself permission to relax is the first step to letting go of the worry.

Thanks, I just used their PayPal link to send my support and light my torch!

https://archive.org/donate/

Good point, not sure.

The wheel might be passive and that little piece to the right might just be counting clicks.