by Jessica Martin-Weber
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Fan Question: My baby keeps falling asleep while breastfeeding, am I making a bad habit?
You bring your tiny new human being to your chest and after a little awkward fumbling they are successfully latched as you marvel at their tiny perfection and they suck, drinking deeply of your milk. They settle into a steady rhythm and you feel them relax more fully into you, a relaxation that in 5-10 minutes is fully heavy sleepiness. By the time they’ve drained your breast your baby’s eyelids are closed, their arms and hands floppy, their lips and jaw slack, and a dribble of milk rolls down their cheek as they breathe deeply in sleep.
Warm, soft, snuggled sleep.
Eight months later, the scene isn’t much different, they’re just longer and rounder. Ten months after that the routine continues. Maybe not every feed but often and maybe it is the only way they go down for a nap or bedtime.
For many little ones boob = sleep.
This may worry some as they hear from others that breastfeeding their baby to sleep is creating a bad habit, alarm that their child will never be able to sleep on their own if they do this, and dire warnings that the milk will damage the child’s teeth. On The Leaky Boob we frequently hear from those wondering if breastfeeding their baby to sleep is a bad thing, fears that this experience that happens so frequently for so many will doom them and their child.
I have good news!
According to pediatrician Dr. Arthur Lavin and coauthor of Baby and Toddler Sleep Solutions For Dummies, breastfeeding your little one asleep is totally fine.
In a live interview I had with Dr. Lavin on The Leaky Boob Facebook Page (view here), he explained that there’s no concern with breastfeeding your nursling to sleep and it is actually quite normal that breastfeeding would lead to sleep. In fact, it’s a part of how the brain works! The portion of the brain that regulates feeding is closely related to regulating sleep and wakefulness and releases a hormone called orexin which is why we feel sleep when we have full tummies even as adults. This starts from birth. Breastfeeding also releases oxytocin and dopamine in the brain which makes everyone involved feel sleepy. These hormones are a part of helping milk flow and contribute to bonding by making us relaxed, happy, and safe. It all combines to be a drowsy inducing cocktail of snuggles and feeding. What better way for baby to fall asleep?
For a newborn it just makes sense. Breastfeeding to sleep feels safe and the scent of the breasts and breastmilk is familiar, comforting, and warm. Being skin to skin is soothing and babies are programmed to want to be there, close and protected. Their food, safety, and everything they know is there. Cradled to your chest they can fill their tummy, get that relaxing hormone release, smell home, and be lulled to sleep to the sound of your heartbeat just like before they were born.
Breastfeeding your baby back to sleep at night helps protect your breastmilk supply while meeting their demanding nutritional needs. A baby’s growth rate for the first 4 months of their life is faster than it will ever be again (even teen boys don’t grow as fast!) and feeding frequently through the night not only ensures an adequate milk supply as it coincides with the time of day that the milk-making hormone prolactin is highest in the lactating parent’s brain, these feedings also provide a steady supply of calories for this rapid growth phase. Night-time feeds can be protective of breastmilk supply with higher prolactin levels at night and may make up to 20% of a baby’s total milk intake. Feeding to sleep is part of their growth strategy! (See this study for more info.)
Breastfeeding to sleep may continue long after birth as well, particularly around certain times of day as melatonin levels in breastmilk are higher in the evening and through the night. It’s no surprise that a year or even two years later your little one falls asleep best while at the breast. This may even contribute to a regular sleep rhythm for your child. (Read about melatonin in breastmilk here.)
But is it a bad habit?
According to Dr. Lavin, no. In our interview Dr. Lavin explained that just as adults can establish new sleep habits, so can babies and young children. If, at some point, breastfeeding to sleep isn’t working for you and your child, you can change it. Particularly with an older baby or toddler. If you want to night wean gently, check out our night weaning readiness checklist here.
So it’s totally natural to breastfeed your baby to sleep and it isn’t a bad habit but… what about their teeth? We’ve all heard of bottle-rot, won’t falling asleep with breastmilk be bad for their teeth?
Human milk isn’t going to cause human teeth to decay. Dr. Lavin shared with us that genetics and socio-economics have more of an impact on the development of cavities than breastfeeding to sleep. That doesn’t mean there’s no risk, it just means that the risk is pretty low and wiping or brushing the teeth after your child eats solid food or drinks anything other than breastmilk or water is adequate protection for your child’s teeth. It isn’t necessary to clean teeth after breastfeeding at night (don’t wake the baby!) if there has only been breastmilk or water since the teeth were last cleaned.
As always, it is important to practice safe sleep whether or not you are breastfeeding your baby to sleep. The AAP recommends that babies under 12 months should sleep alone on their back in a dedicated sleep space in the parent’s room, free of blankets, pillows, toys, and crib bumpers. While the AAP recommends against bedsharing it is better to prepare to practice safe bedsharing if there is a chance you will fall asleep with your baby rather than to accidentally sleep with your baby in an unsafe manner (i.e. falling asleep with baby in a chair, on the couch, in a recliner, etc.).
Breastfeeding your baby to sleep is a completely normal reality, particularly in the first few months. If at some point you desire to change that and establish different sleep habits, you can. No need to worry that it is a bad habit you’ll be stuck with or is causing problems later on down the road. If it is working for you and your baby, it’s not a problem at all. Happy breastfeeding and sweet dreams!
