No lecture, but from experience:

You really need to get food in your system. Force it down. Yogurt, milk, whatever. At this point, nutritional value isn't critical. But you need calories ASAP. And Gatorade, Smartwater...or plain water. This will help your comedown. And you WILL comedown.

Warm bath with Epson Salts. Don't make the bath too hot if your body is already warm from the Adderall. This will help with body aches. Are you feeling those yet?

Do you have an AP like Seroquel that will put you to sleep? If so. Do the above and then take it. Cool, dark room. Relax.

If you can't sleep and start crashing, Ativan will help just don't overdo it.

As for the therapist - if someone isn't driving you then I think you should cancel. You shouldn't be driving with that kind of sleep deprivation.

Stay safe, friend. xo