Understanding Medicine and Surgery in Residency

(she has been seen by a GP a few times, she’s seen a Paediatrician who have all assured me she is happy and healthy. They said it’s something she will probably grow out of and that they won’t diagnose autism this early - so please stop saying I have failed her as a parent I’ve asked on here to see if anyone else’s had a child similar for reassurance NOT for medical advice ). Just wondering if this is a normal baby trait? She does it a lot when she’s excited, bored or in the car. We noticed her d