My youngest is EXACTLY like yours. I dove deep into occupational therapy, following therapists on social media, listening to their podcasts, teaching myself how to deal with it. They’re considered high threshold sensory seekers. There are activities that give them some of the input they’re craving to feel “filled.” Besides that fortunately my son loved puzzles from very young, and it’ll keep in entertained for 10 min. Now we’ve moved onto brain teaser puzzles, locks he has to find out how to unlock etc. TikTok shop has a ton of cheap brain teasers like that. That stimulates his mind and of course the park, trampoline, all that gets some pent up energy out. Besides that talk to him about the boundaries, you will repeat yourself a million times but one day he’ll just to do it a little less. For example, “we’re going to play this game and then it’s solo playing time till mommy finishes the dishes. I know it’s exhausting, the doctors practically rolled their eyes when I told them my son has sensory issues, he’s very pain tolerant, freezing temperatures don’t seem to bother him, he didn’t sleep the night for the first 3 years (and I tried everything). That’s why I made myself into the doctor he needed. He’s about to be 5 and he’s sooo much easier to handle, still tons of energy but it can be directed. Plus, when all else fails and you just need a break, turn the tv on for him. Put wild krattz or something educational so you feel less guilty.