Because of how long it lasts I found the rebound anxiety from flubromazolam isn't as bad as it is with other benzos. But i guess the question is do you really want to take a benzo that lasts for 30 hours just for an adderall comedown.
Personally, due to it's long duration of action, I only smoke flubromazolam (I have the pure powder), and have only done so a few times. I recommend this approach to almost no one due to how tricky it is to measure (it is one of the most potent benzos known to man, and I'd argue that it is the strongest in effect of all the microgram potency benzos). Smoking it results in an instant blackout of sorts, once you exhale you'll only remember fragments of the following 10 hours or so.