AIBU to be freaked out that my baby sleeps through

[ammature]

This is not a stealth post I'm a first time mum to a wonderful 7 week old baby boy. He's just so good. Last night he slept from 11-6am I've not done anything in terms of routine sleep training bla bla ive just been very responsive to him. Holding him and boobing to sleep etc. He's ebf. Is this ok?hes gaining weight as far as I can see since last weight check and is very happy and content. He never really crys much and is smiling now too. I'm just worried that maybe he is going too long without a feed. For the first time yesterday he puked up milk. I kept a close eye on him though and no temp and was in a good mood.went to bed at 11pm At 6am I took him into bed for a feed and he didn't have much at all. Went back to his cot until 7.30 and then had a bigger feed and cuddles and chats with dad. He's then had another sleep and I've just given him a short feed and he's sleepy again. I'm just concerned his sleeps are more frequent and longer and feeds shorter. Is this ok? Normal? I'm worried that he is perhaps missing feeds? Also I had a bit of spotting yesterday, could it be my period returning? Thanks for reading

[Soddingepiphany]

I'm standing by my "warning". It's not to be a scare monger but it's because I wish someone had warned me, I got very complacent (had people telling me he was a magic baby who probably wouldn't even have a sleep regression) so when we did hit a sleep regression it was a shock. Having said that though it wasn't nightmarish and it didn't last long, we have the occasional blip but it's pretty much smooth sailing.