Sleep changes

My son started sleeping through the night at 7 weeks old (9pm-6am). He did that until he had his immunizations at 9 weeks old when he started waking anywhere from 3-4:30. I would feed him and he’d go back to sleep until 6ish. Still, we decided to stop swaddling with the arms in thinking that was why his sleep patterns had changed. The first few nights we did that he slept through the night again so we thought that was the culprit. Now this week he has been waking up at 1 or 2. I can’t get him to go back to sleep without a bottle but he will go right back to sleep after eating. I am just wondering if anyone has any experience or insight to the sudden change? He is now 11.5 weeks so I know he could be going through a leap now but I am at a loss. He hasn’t slept this short of stretches since he was brand new. I am definitely getting nervous because it seems his sleep is getting worse and I go back to work next week.

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COMMENT (7)

Mi

Posted at
There is a 12 week leap. But if he’s going to sleep after he’s fed he could just be hungry and going through a growth spurt in general.

Ga

Posted at
Babies go through lots of changes and sleep changes along with it. Just be consistent in what you’re doing and feed him if he’s hungry.

Ke

Posted at
It’s very normal for babies to wake overnight for a bottle still.

Ke

Ke • Nov 20, 2020
It’s probably changes in sleep habits, which is part of development. I know it doesn’t seem normal for her, but due to the changes, it’s normal. My daughter has been sleeping through the night since about a month and a half and she’s 3.5 months now and she’s waking up once or twice overnight. I’m pretty sure she’s hitting the 4 month sleep regression a bit early.

Me

Meghan • Nov 20, 2020
I agree with you that it’s normal but it’s not the norm for my baby and I am trying to figure out the change, that’s all.

Em

Posted at
When they hit 3-4 months, there are vast developmental changes that disrupt sleep and cause unfortunate régressions. My baby has had awful nights for a whole week. What you're doing is fine. Delaying the bottle and trying other techniques for at least 15 minutes and last resort a feed. It will get better but may get worse before it gets better. Does your baby go to sleep more or less independently?

Er

Posted at
It’s pretty normal for a baby to wake up at night in general. My daughter started sleeping through the night at about 9-10 weeks (8pm-8am) but every now and then she’ll just wake up once in the middle of the night to eat and then go right back to sleep. It’s random I never know when it’ll happen but it’s developmentally normal. We are now in the 4 month sleep regression so she gets up at least once every night but that’s to be expected as she’s going through a huge developmental leap right now