Normal?

K

My baby had his first photo shoot today which took a good hour or so. He was pretty fussy by the end of it (he’s 9 days old) and since then he’s been zonked out. I woke him after 4 hours to feed and he only fed for 7 mins before falling asleep again and has been asleep for the last 2 hours. Do you think he’s just tired from the big photo shoot? Should I be concerned?