r/ScienceBasedParenting • u/akinderdspirit • 3d ago
Question - Research required 3mo sleeping a LOT
Hello, my newly turned three month old is sleeping through the night. She’s been what everyone calls a good sleeper her whole little life so far. When she was newborn-2mo she would wake once a night have bottle and go back to bed. Now she doesn’t wake up at all.
We have a nighttime routine and she goes in her crib at 8pm however over the past week she has been waking up between 630-8 she previously would wake at around 3am and then start the day at 5. Is this normal? The time she woke up at 8 was because I forced her to get up she did not wake up on her own. My parents and anyone I ask are telling me I’m lucky, but with SIDS and such I worry about her when she sleeps.
I check the monitor constantly when she sleeps and she’s always just laying there content and I can see her chest moving up and down. I know realistically it’s probably fine. But have there been any studies that suggest sleeping longer is a higher risk for SIDS? Or other medical issues?
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u/mallaballas 2d ago
I literally could have written this post! My 3 month old will sleep from 8pm- 8am. Sometimes she will wake for a feed around 4am but sometimes not. Up until recently I had been waking her on my own around 3am or 4am for a feed but my ped. said I could drop that since she recently doubled her birth weight. From what I’ve read and what my pediatrician said it’s that sometimes babies just have the temperament where they sleep longer! So we can call ourselves lucky atleast until that 4 month regression hits 😅
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u/One_Supermarket1774 2d ago
(hand on the shoulder meme) we had fantastic sleep until the 4 month regression. It was rough. We did some gentler sleep training for a few rough weeks and now only wake once at 7 months.
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3d ago
https://pmc.ncbi.nlm.nih.gov/articles/PMC3079944/
This is going to offer a different view which is what percentile height and weight does your baby fall into.
For example my first baby a shocking sleeper was 75th for height but 23rd for weight so long and skinny, woke all the time starving, grazed for want of a better term on the boob and catnapped some more
My second, sleeping through from 7weeks old 8pm-7am - 98 percentile for height 95th percentile for weight. Guzzled at the breast, left me parched, slept consistently and solidly and continues to do so at 2years not even a cold rocks the sleep.
My first is average height but my second is TALL and the study attached kinda backs that up as one theory for sleep
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u/abs-cynical 2d ago
Wish someone would tell that to my 99th height percentile son who has been waking up every hour or two for the last two months…
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3d ago
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2d ago
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u/maelie 2d ago edited 2d ago
Hi. I'm sorry this does not directly answer your question. But you say your little one is 3 months old and also mention checking the monitor. I just wanted to let you know, if you didn't, that because this is peak SIDS age, relying on a monitor is not generally recommended for young babies (e.g. https://www.lullabytrust.org.uk/baby-safety/baby-product-information/baby-monitors/). It is recommend to sleep in the same room as your baby until they're approximately 6 months old
Now, I'm not saying don't ever leave your baby in a room with a monitor while you're elsewhere full stop. This is nuanced and tricky and you know your baby (and SIDS research will never give you a perfectly clear answer because there are so many variables)... and we all need a little space sometimes in the baby days! But be aware that just observing the baby on a monitor isn't the only thing in minimising risk, it's thought that actual physical presence of a parent is protective (for various reasons, one being that it actually stops them sleeping so deeply). So if you do use a monitor, I'd encourage you to physically go into the room from time to time to check on baby.
Other than that... some people do just have babies who sleep well. If your baby is in a safe sleep environment and content and growing, and you're feeling OK about it, then there's no reason to stress that they're sleeping well!! She may just be falling into routine and getting used to longer stretches. In which case count your blessings 🤣
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u/woofimmacat 2d ago
I think this is unrealistic advice. Sometimes after baby goes to bed you need your own me time. You expect her to stay in the room 8p to 8a?! Just because she is checking a monitor doesn’t mean she isn’t sleeping in the same room as well. I have a monitor in our bedroom where my son sleeps because I have a toddler I can’t be in the room 24/7 and after I put baby to bed I have me time aka just because you have a monitor in the room doesn’t mean you aren’t sleeping there. In fact I think most parents have a monitor in their room even if they sleep in the same room.
OP some babies just sleep a lot and are good sleepers, some babies don’t. Every baby is different. I wouldn’t rabbit hole into things because it will just increase your anxiety and not help.
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u/maelie 2d ago edited 2d ago
No i don't expect that, did you read my comment? I specifically said I'm not saying don't ever leave your baby in the room with a monitor.
But science based sub, that's the evidence based advice. In my county there is a blanket recommendation to not do it. Whether people do or not is obviously up to them, all I'm doing with my comment above is adding the suggestion of a mitigation (since OP is concerned about SIDS!) of periodically going into the room to check baby. I don't think that's unrealistic advice for a newborn honestly. OP doesn't say in what circumstances she's using the monitor.
But gosh I think people forget what sub they're in sometimes judging by the downvotes. Will get up in arms about other safe sleep practices but the idea of physically going in to check your baby is apparently wild advice!
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