Don't know if this is helpful, but I thought I'd share my nearly 4mo's day.
A - 2.5hrs
S - 45mins to 1.5hrs, depending on how well he's sleeping that day
A - 2.5hrs
S - 45mins to 1.5hr
A - 2.5hrs
Catnap, if I can get him to take it, bed roughly an hour later. He's up for two feeds on a good night, four on a tough one. I think he's totally normal for a breastfed baby.
At this age it's about coping with lack of sleep, how are you doing with that?