Studies show that formula feeding/supplementing mothers get LESS sleep...

Nicole - posted on 04/15/2010 ( 45 moms have responded )

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I see a lot of questions where mothers are trying to cut out nighttime feedings and/or other moms suggesting to give formula at night to cut down on nightly feedings. Well, this is not the best advice and here is why:

Several studies between 2004 and 2009, showed that exclusive breastfeeding mothers got more sleep. Three sets of parents have been studied: those that were exclusively breastfeeding, those that were breastfeeding AND formula feeding, and those who were feeding only formula.

Although, the exclusively breastfeeding mothers were awakened more times throughout the night than the other mothers, they still got an average of 40-45 minutes MORE sleep each night. They also showed that this didn't matter whether the baby was rooming-in or sleeping in a separate room. Even if the baby was rooming-in with it's parents, but NOT exclusively breastfed, the mother still got less sleep than the mother giving her baby only breastmilk.

Not only did the breastfeeding mothers get more sleep, they got BETTER SLEEP. The studies showed that REM (rapid eye movement) sleep was similar within the groups, but the difference in slow-wave sleep (SWS) was remarkable. People who get less SWS report more day-time fatigue. Studies also show that those who get less SWS are more likely to suffer depression. To be clear, the "breastfeeding mothers got an average of 182 minutes of SWS. Women in the control group had an average of 86 minutes. And the exclusively bottle-feeding women had an average of 63 minutes."

In short, women who do not exclusively breastfeed get less sleep, get less restorative sleep, and are more likely to suffer depression.

Or, as you can read here: www.ibreastfeeding.com/content/newsletter/nighttime-breastfeeding-and-maternal-mental-health.

"The results of these previous studies are remarkably consistent. Breastfeeding mothers are less tired and get more sleep than their formula- or mixed-feeding counterparts. And this lowers their risk for depression. Doan and colleagues noted the following.
"Using supplementation as a coping strategy for minimizing sleep loss can actually be detrimental because of its impact on prolactin hormone production and secretion. Maintenance of breastfeeding as well as deep restorative sleep stages may be greatly compromised for new mothers who cope with infant feedings by supplementing in an effort to get more sleep time. (p. 201)
"In sum, advising women to avoid nighttime breastfeeding to lessen their risk of depression is not medically sound. In fact, if women follow this advice, it may actually increase their risk of depression."

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45 Comments

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Bonnie - posted on 06/21/2010

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and yet everyone stil lthinks you get less if you breastfeed i had to express and bottle feed on about day 3 as i was extremely engorged and nipples were very sore and my and other half hated it. x

Yoshiko - posted on 06/15/2010

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so true. i didn't suffer from any depression and i get 8-9 hrs of sleep- even though my 4 month old wakes up a few times at night. I really thought formula fed babies slept longer because they say it takes longer to digest.

Emily - posted on 06/14/2010

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I actually don't agree to this. When I was only breast feeding, my daughter would wake up every 2-3 hours. When I started formula feeding, she would be more satisfied, fall asleep AFTER eating enough instead of just slowly nodding off to sleep after 10 minutes of breast feeding, and would sleep 7-8 hours.

Stacy - posted on 06/14/2010

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Why on earth would someone formula feed at night? That is the main reason why I breastfeed so I don't have to get up make the bottle and give it to the baby..I roll over put my boob in my kids mouth and go back to sleep

Jennifer - posted on 06/06/2010

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Wow, apparently I am one of the few mothers who is exclusively breastfeeding and is totally exhausted due to the lack of sleep. My little guy is 7 1/2 months old and I have not gotten more than 3-4 hours of sleep in a row since he was turned 3 months old. As an added bonus, he tends to wake up in between feeds for a cuddle or mom time, after spending all day fussing if I am not holding him. I am exhausted and trying to find some way to get more sleep and to get my little guy to not be quite so attached to me.

Suzanne - posted on 06/05/2010

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all this is crazy to me! my daughter was allergic to something in my milk have no clue what... but the end result was she had to be on soy formula until she was nine months old. and at that point i gave her a sippy cup... bottle went in the trash... she refused to take a bottle! i am fine with that! she also ate people food since nine months... eats a normal schedule like adults n sleeps for 12 hours or more at a time. and bty, at 6 weeks she was sleeping 10 hrs at night so i know it is possible! maybe i just got lucky!....

Jennifer - posted on 06/04/2010

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Well...I can only speak from my experience, but since I chose adoption breastfeeding was not an option for me. My daughter, now 4 slept from 12ish to 5ish coming home from the hospital; we only had 2 or 3 nights of day/night reversal and my son, now two and a half months now sleeps an 8 hour stretch at night. My hubby is the one who is most likely to keep me up with his snoring, lol!

Jennifer - posted on 05/31/2010

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Okay, so here is my question. Does this apply if you are feeding breast milk? My two week old daughter seems to be up every two hours and stays up sometimes an hour after feeding! When I breastfeed her I fall asleep in the middle of it! She has a bad habit of coming off the breast and then crying about it so I help her to latch back on. I'm at a loss here...I know shes too young for a schedule but my poor husband gets up at 5:30am and works 12-14 hour days and I don't know what to do with her constantly up every two hours. Any advice?

Joanna - posted on 05/30/2010

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When my son was first born, I lost a lot of sleep. However, it did not take him too long to adjust to the night and day schedule. He has been sleeping through the night for since he was about three months old. He is currently 7mo. I would have to agree with this study, cause I feel relaxed when I'm nursing him and rested in the morning. Knowing I am doing what is best for my son makes me happy not depressed. The hormones that are released during breastfeeding also impact the mother's state of mind positively.

Christina Marie - posted on 05/30/2010

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Nevermind how much sleep we are getting, but what is best for our children. I don't think I will ever get why moms supplement. Breastmilk is 100% all your baby needs for the first 6 months of life.. I have a 15 week old and I still get up several times in the night with her to feed. She is still fed on damand. Whatever is best for her is best for me.
I will sleep when she is older! lol

Megan - posted on 05/25/2010

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How interesting! I was breastfeeding right up til a week ago when i developed mastitis and the doctor told me to not feed my baby girl while on the antibiotics so i started her on formula but the next day something told me it wasn't right so i rang the parent helpline and they said i should be feeding with mastitis and to ring the hospital's pharmacy to ask about the antibiotics and sure enough i can feed while taking them so i thought i would bottle feed during the night and noticed my supply was going down so last night i fed during the night as well as the day and she only woke once. Definitely keeping up the breastfeeding unless it's not convienient when i'm out and about so i always carry a bottle of water and some formula just in case. Breastfeeding is the way to go and i'm surrounded by bottle feeders and people who only bottle fed and they think my baby's upset stomach is due to me breastfeeding. I think it was me mixing it with formula.

Mary - posted on 05/19/2010

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How true and informative! My first two were exclusively breastfed till they were each six months old. Then I supplemented with whole milk but only during the day. I'm currently breastfeeding my baby girl. Not only do I get more sleep but she's bigger than her cousin that was born two weeks before her. She weighs over 14lbs versus her cousin that barely weighs 11lbs.
My boys were bigger babies too. My sis-in-law formula feeds her baby girl(the one mentioned above) and she has to take naps all the time cause her baby doesn't sleep well at night.
Thanks for posting that information!!

Megan - posted on 05/18/2010

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i agree with this my son was an exclusive breastfed baby and he didnt take anything else and i never really felt exausted during the whole year i breast fed my baby...but my mother in law does foster care so her babies had to take formula and she would be up 2 or 3 times a night with the babies and be wore out the next day

Selma - posted on 05/17/2010

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The fact that you don't have to get up and prepare formula then warm it up followed by settling your baby, burping him and putting him back to sleep shows that breastfeeding mothers do tend to get more sleep - when you breastfeed chances are your baby will go straight back to sleep after their feed... it's so much easier!

Rachel - posted on 05/16/2010

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This must not include babies who cluster feed. But I was able to do both for a year and my baby slept 7 hrs at 7 weeks. No depression good sleep. Every once in a while she would get up once or twice at night and when she does I feed her . I think listening to your instincts and doing what's best for you and your baby is best. There are so many back n forth studies.

Kelly - posted on 05/11/2010

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I can understand why some moms are willing to try anything to get some results, and it's definitely not for any of us to judge them for trying. But having the information available to help you make an informed decision about what you do for yourself and your baby always makes for the best choices. It is good that there are so many more resources out there now to help us choose what is best for our own individual situations. I have breastfed my 6 month old son exclusively since he was born, and there were times when I considered supplementing with formula only because of my own concern for him. I was always unsure whether he was getting enough to eat, and wondered if that was what was causing him to wake 3-4 times during the night. I was also exhausted and emotional and of course new to all of this. But thanks to my network of experienced moms, I pushed through and kept with breastfeeding and one night around the end of 4 months, he just did it. He just slept through the night. I'm glad that there are studies that can help people get through those tough times since there are so many mixed messages out there about what moms should do.

Helene - posted on 05/11/2010

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I certainly agree. Why would you choose to deny your baby the best there is just for the sake of your own convenience??? But I find that often society prefers formula feeders because they get their little ones on to a structured routine much faster. Also society doesn't seem so tolerant to breastfeeders as it should.

Ema - posted on 05/10/2010

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Interesting..I'm nursing my second child (I nursed my first till he was 18 months old)..and we co-slept for the first about 7 months or so..I'm breastfeeding my 6 month old daughter at the moment and she sleeps well..she will wake once in the night and I manage to feed her and pop her back in bed..my neighbour bottle feeds and her baby never sleeps..my other neighbour bottle feeds and her kid is always sick..and has collic so she gets no sleep either..I would never ever bottle feed..I personally think it is a selfish thing to do..but that's just my oppinion..

Helene - posted on 05/02/2010

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Wow! Thank you very much for posting this info! Very often I found that I have to defend my decision to exclusively breastfeed and formula-feeders make me feel inadequate as a mother because my baby doesn't sleep through the night without waking up once or twice. I've been thanking God for my ability to sleep well when I sleep as I can't sleep during the day. And this info just proves that nature takes care of everything.

Mandy - posted on 04/28/2010

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This seems to ring true, after the intial settleing down of the 1st 6 weeks or so, I never felt really tired from night feeds unless the kids where ill. Another bonus then, as if we needed more lol.

Tanya - posted on 04/27/2010

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Sometimes my daughter is up twice a night, sometimes six, but it doesn't matter cuz I roll over, she latches on, and I go back to la la land! Much easier

Angela - posted on 04/27/2010

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I dont get more sleep. My 7 mos. old still feeds every two hours throughout the night. No help with food feedings or other supplements. Would like to read the studies. where did you find them?

Krystle - posted on 04/27/2010

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Oh breastfeed, how I love you!

My 10 month old still wakes up 2 times a night, I nurse him, he goes back to sleep immediately, and I've never felt sleep deprived!

Mary - posted on 04/27/2010

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Our baby is 7 months old and even though she has a crib of her own in our room, she still ends up in our bed during the night. I find that I get more sleep with her in bed with me because she can nurse and I really don't wake up - sometimes I don't even wake up at all because my husband helps her find her way (LOL) We have 4 other children so my sleep is vital to my sanity!!!

Amber - posted on 04/24/2010

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I dnt agree. I wake up alot during the night have done for years ive breastfed my 1 & 2 yr olds. All of my friends kids that wer on bottles slept throught the night.

But i think it could all depend on how much sleep the baby gets during the day. If hardly any then the baby wwould sleep longer at night. I figured cos mine wer sleeping alot during the day that, mine wer awake more through the night because of that.

But not too sure.

All i knw is that i would have to wake up ev 2-3-4 hrs cos of my girls tummy clock and wee times.

I dnt think this study about more sleep and that is true!

But i do agree on the night feeds- if the babies hungry feed them

Sara - posted on 04/21/2010

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I've heard this before. I think I heard that breastfeeding moms get better sleep because they are more in tune with their babies' sleep cycles so it's not such a shock to get woke up by a crying baby. It's a gradual awakening when the baby starts waking and that makes it easier to fall back asleep. Even if a baby sleeps in another room mom still wakes up the same time. I wish I could remember where I found that.

Beverly - posted on 04/21/2010

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Well I sure don't get the sleep I used to before my little one was here, but I'm definitely glad I'm breastfeeding. I can't imagine going downstairs to get a bottle ready in the middle of the night or trying to rock her back to sleep when it's so easy just to nurse her. Many times at three in the morning I've thought, "wow, what do other moms do?" Breastfeeding is the way to go. Always.

Sylvia - posted on 04/20/2010

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Fascinating! I mean, I always figured this must be the case, based on anecdotal evidence and my own experience, but it's interesting to have it confirmed via actual experimental evidence.

Kyrie - posted on 04/18/2010

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It's true, I started nursing for a lot of reasons and one was that my mother said it was easier, you just roll over in your sleep and pop a nipple in there and go right back to sleep. Also, they say babies are only supposed to sleep for a little while but my daughter slept 5-6 hours at a time between feedings when she was a new born. All my reading had me thinking something was wrong with her but nope. I can't imagine how stressful it must be with all the work involving bottles in the middle of the night. Cribs too.

Nicole - posted on 04/18/2010

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I agree.. and I would be a testimony mom..lol I have 3 boys.. My first I pumped.. was tired ALL the time.. My second I formula feed due to ignorance about breastfeeding and doctors that knew nothing.. And my third I exclusively breastfeed.. and I will tell you what.. A world of difference! I felt rested, had more energy, and my C-section healed faster! I will say though that I fed when I felt the baby needed it.. so before he started crying instead of after he started crying.. And that helped him to sleep through the night faster and he would latch on in his sleep.. so the night feedings were much faster! I didn't have to try and get him back to sleep or calm him down before and after he ate.. It was awesome.. I am prego now with my forth and I am definately breeastfeeding her... I will add that I had major issues while breestfeeding..from having to use a sheild to blister to clogged ducts.. that only lasted the first few months.. after that I breastfed for over 2 yrs. Which helps immune system and significantly decreases the likelyhood of mental disorders..Oh also breastfeeding helps make mom feel more happy due to endorfines flooding your system and helps you lose weight fast after baby is born without a diet plan or exercise routine..lol

Esther - posted on 04/17/2010

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thanks for the info.... i love breastfeeding at night i can just put breast in her mouth and go back to sleep unlike a bottle where you got to stop and burp them after a couple of oz. and you have turn on a light and get out of bed to make a bottle. by the time your done the baby is wide awake and wont go back asleep because he thinks its daylight and time to play .

Anneke - posted on 04/17/2010

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Not surprised at this really. Everyone said I would never sleep again. Well I tired at the start always feeding but notihng like I was ever told to expect. Thankfully. I rather not stand in my spooky kitchen at 3 am making up bottled, roll over boob out feed to sleep no hassel.

April - posted on 04/16/2010

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does this apply to reverse cycled babies/breastfeeding moms? i wake up about 5 times a night to feed my son, who is 15 months. I do not feel well rested and do feel like i could use a little more sleep. I'm not complaining and i'm not trying to change it...I think he really does need it for food. (not big on solids, barely eats anything yet weighs 23 pounds and nurses great only at night)

Johnny - posted on 04/15/2010

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I believe that! When we stopped having to supplement my daughter and just moved to breastfeeding and solids, I slept way better. Not necessarily more, but deeper. And I really don't know why. She had stopped her night feeds by that time, so there was no real change in how much I had to get up. Although, perhaps in my case being able to stop giving her formula alleviated some guilt that was keeping me up, lol. I really hope that I can just EBF with my next child.

Tara - posted on 04/15/2010

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thank you for posting this! i was trying to find a link on this but with no luck :) i get sleep even if i breastfeed a million times at night, my baby is a co-sleeper and mimics my sleep patterns..we just stay laying down, pop a boob in his mouth and he is out but still stays a sleep lol

*Fluffy Bunnies - posted on 04/15/2010

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Thanks for the info. My 11 month old still wakes up once at night. She and I both still get plenty of sleep so I'm ok with that :)