Results may vary! This is advice from my doc for my specific situation. Generalised, it is a simplification, but not entirely wrong.

Much of what is felt during a rebound / crash when the stims wear off is exacerbated from low blood sugar, dehydration and lack of rest. If you do what you usually would, most of the effect can go away in many cases. If you put on top what you “should” do but can’t get yourself to do unmedicated, also fine.

What increases crashes:

1. less food: Follow doc / package insert regarding first dose and breakfast. After that, be aware that appetite may misguide you. I personally eat strictly by clock and calorie count on stims. That might not be right for you, but do discuss it with your specialist (prescribing doctor or GP for sure, nutritionist if available). I always have some engineered staple food (Jimmy Joy, This is Food, …) ready in case planning doesn’t work out. Or even have that as plan A.
2. less rest / naptime: Also, rest as usual. I started to take a 30 minute walk after lunch, and lie down afterwards for a bit even if I don’t feel like I have to. Even when I don’t feel like I have to, I lie down with my eyes closed for at least about 3 minutes; sometimes, my body misguided me and I fall asleep for 20 minutes after all.
3. harder workout: Do the extra rep you “should” on meds if you must, but not much more than usual, almost same volume as usual, same rest, same nutrition (e. g. half a fruit after workout or whatever you do).
4. cleaning frenzy: No cleaning frenzies. Do a system such as 20 minutes full power, 10 minutes rest, or start with less if you are not fit enough yet. Sometimes, I’m really in the cleaning zone, and the dopamine is flowing, and I want to keep going. But even then, better to take the break and have 8 hours available overall rather than just 4.
5. edit: dehydration

In my case, crashes went away entirely. At night, 14 hours after intake, I still feel full of energy and ready to take on anything - even household chores.