Yep I would have that looked at AND also now would be the time to evaluate for tonsils and adenoids if a chronically ill sleeper. I wish we would have done that for my first kid because I kept getting told that nursing was the issue so I weaned at 2.5. ANDDDDD it didnt help!
Then COVID happened and we were all just surviving. FF a year or two and the sleep has not improved, he doesnt nap at daycare, he takes FOREVERRRR to fall asleep, fights sleep, etc. He had none of the signs and symptoms except poor sleep duration until his hyperactivity started getting worse around 6. I finally took him to ENT and he had surgery a few months ago after having a sleep study where he had sleep apnea diagnosis. No mouth breathing, limited snoring and it was in specific positions.
Sleeps like a rock now. I look back on almost 7 years of poor sleep and wonder what could have been