These are suggestions based on known pieces of the autism problem. What works or doesn't work for you can only be found by your trial and error. Make this knowledge your own.
Besides this advice, I recommend looking into the work by Chris Palmer at Harvard, e.g., https://www.penguinrandomhouse.com/books/710914/brain-energy-by-christopher-m-palmer-md/
Besides this advice, I recommend looking into the work by Chris Palmer at Harvard, e.g., https://www.penguinrandomhouse.com/books/710914/brain-energy-by-christopher-m-palmer-md/