A little concerned about my 13 month old

I’m writing as he’s taking his 2nd nap of the day and it is only 1:15pm.

He just had his one year appointment and everything was fine..but recently I’ve noticed he’s been sleeping a lot and eating a little less than just last week.

Is this a growth spurt? Should I make him an appointment? He’s my first born and I’m always a wreck worrying! Please and thank you for any advice💜💜