Traumatic brain injuries dont always show
https://hectorqadw033.evercolumn.com/posts/uninsured-and-underinsured-driver-claims-in-texas-2
Traumatic brain injuries don't always show up right away. My uncle had headaches for weeks after a crash before anyone connected the dots. If you hit your head at all, get checked. It's not worth waiting to see if the headaches go away