It is also better never to mess with a schedule that your baby is content with
I dealt with ths attitude with my FTT baby. He had very low energy levels due to is failure to eat. Because of this, he would not cry to be fed. He slept a lot and would have wasted away had I waited for him to tell me he was hungry. So, I woke him up to eat.
If your baby is content with this schedule, I would stick with it. Heaven knows, there will be plenty of times in his childhood where someone has advice. You have to go with your gut and do what works for your family