Should he have more naps?

Rh

Heres my 9 mo he sleeps 7/7 then goes back to sleep in my bed till half 8 then stay awake until half 10 and sleeps till 12 that's his nap for the day should he sleep more or is that okay? He seems perfectly fine with it isn't grouchy and when I put him to bed he's looking forward to it and goes straight to sleep no fuss just curious as I've seen alot of people say their 9mo has 2/3 naps