Am i the only one who’s babies don’t sleep long?

Ki

You can Call it envy!! I’ve seen soooo many posts about babies my twins ages (13 weeks) that are sleeping 6+ hours. That is a far fetched dream for us. Is anyone else’s little one only sleeping 1 1/2-3 hours at the longest? I’m exclusively breastfeeding and have for my other two but never remember these long stretches moms talk about until 1+. Also we co sleep if this makes a difference 🤷🏾‍♀️