Rehab therapist here. Had a rather young man, late 20’s, married with a newborn who experienced a stroke. He had significant tone/tightness on one side of his body. Saw him periodically over a year with minimal change. Walked with a cane and needed a splint. One day, a full year after his stroke, (a week after I’d seen him walking into the hospital with said cane,) he came in to our department, no cane, no tone, no tightness. The only finding on a follow-up CT scan was evidence of a possible second stroke that somehow resolved the spasticity. 🤷🏻♀️.