How to stop the ADHD from causing me to over analyze at night?

I have ADHD and take Dexamphetamine 2 times a day, during this time I get curious about peoples actions but quickly move on and carry on with whatever I was doing with little concern. At night once it's warn off, it's a whole different story. I over analyze myself and others obsessively at night and I can't seem to turn it off and it actually stops me from sleeping.

I know how I respond to everything since I went through therapy while on medication, I've also analyzed others for quite some time, while the medication is in my system I can keep it under control but once the medication wears off it takes so much to control it and I don't know what to do