It's real. And it's a THING!!
I hear the term “regression” used in just about every imaginable circumstance when a child is having a hard time sleeping. Essentially, if baby doesn’t sleep well for a couple of nights, parents start dropping the ‘R’ word. Some people subscribe to the idea that there’s an eight month regression, a 9 month regression, a 1 year regression, as well as teething regressions, growth spurt regressions, and so on. Others see these as simple hiccups caused by extenuating circumstances.
But the four-month regression is a thing, It’s the real deal, and it’s permanent.
In order to understand what’s happening to your baby during this stage, first you need to know a few things about sleep in general. Let’s nerd out and learn some of the science-y part of sleep.
The Science of Sleep – Sleep Stages
Many of us just think of sleep as an on-or-off situation. You’re either asleep or you’re not. But sleep actually has a number of different stages and they make up the “sleep cycle” which we go through several times a night.
Stage 1 is that initial stage we’re all familiar with where you can just feel yourself drifting off, but don’t really feel like you’ve fallen asleep. Anyone who has ever seen their partner nodding off in front of the TV, told them to go to bed, and gotten the canned response of, “I wasn’t sleeping!” knows exactly what this looks like.
Stage 2, which is considered the first “true sleep” stage. This is where people tend to realize, once woken up, that they actually were sleeping. For anyone taking a “power nap,” this is as deep as you want to go, or else you’re going to wake up groggy.
Stage 3 is deep and regenerative. Also known as “slow wave” sleep, this is where the body starts repairing and rejuvenating the immune system, muscles tissue, energy stores, and sparks growth and development.
Stage 4 is REM (rapid eye movement) sleep. This is where the brain starts to kick in and consolidates information and memories from the day before. It’s also the stage where we do most of our dreaming.
Once we’ve gone through all of the stages and completed a sleep cycle, we either wake up or come close to waking up, and then start over again until the alarm goes off.
Ok. So what does this have to do with the dreaded 4 month regression?
Newborn Sleep vs. 4 month old + sleep
Newborn babies only have 2 stages of sleep; stage 3 and REM and they spend about half their sleep in each stage. But at around the third or fourth month, there is a reorganization of sleep and they shift over to the 4-stage method of sleep which they’ll continue to follow for the rest of their lives.
When this change takes place, baby moves from 50% REM sleep to 25% in order to make room for those first two stages. So although REM sleep is light, it’s not as light as these two new stages that they’re getting used to, and with more time spent in lighter sleep, there’s more of a chance that baby’s going to wake up.
Waking up is absolutely natural, and we continue to wake up three, four, five times a night into adulthood and even more in old age. As adults, however, we’re able to identify certain comforts that babies don’t yet understand. When we wake in the night, we’re able to recognize that, “Hey, I’m here in my bed, it’s still nighttime, my alarm isn’t going to go off for another three hours, and I’m reasonably certain that there are no monsters lurking under my bed. I can go back to sleep.” And we do. Usually so quickly that, the next morning, we don’t even remember the brief encounter with consciousness.
A four month old baby, of course, lacks these critical thinking skills. To a four month old baby who fell asleep at her mother’s breast, the reasoning could go much more to the tune of, “OK, last thing I remember, there was a familiar, beloved face, I was having dinner, and someone was singing me a soothing song about the Teddy Bears’ Picnic. Now I’m alone in this dark room, there’s no food, and there’s probably at least three, possibly four, scary monsters in the immediate vicinity.” That’s probably an exaggeration, but who
knows what goes on in the mind of a four month-old baby?
Anyways, now that baby’s suddenly realized that Momma’s not around, and they’re not entirely sure where they’ve gone, the natural response is to do a little freaking out. That stimulates the fight-or-flight response and, next thing you know, baby’s not going back to sleep without a significant amount of reassurance that everything is OK.
The importance of self soothing skills
The other major contributor to this 4 month fiasco, I find, is that up until this point, parents have either been putting their baby to sleep with a pacifier, or by rocking them, or by breastfeeding them, or some similar technique where baby is helped along on the road to falling asleep.
Now that baby’s spending more time in light sleep, and now has a higher probability of waking
up, this suddenly becomes a much bigger issue. These sleep props or sleep associations can be very sneaky, because although they may be helpful in getting your little one to that initial nodding off stage, the lack of them when they wake up means that baby’s not able to get back to sleep again without some outside help. Cue the fight-or-flight, the crying, and the adrenaline. When this starts happening every half an hour, parents can find themselves in a nightmarish situation.
The Good News: Sleep PROgression!
So, the good news for anyone experiencing the dreaded Four Month Sleep Regression is that it’s not, in fact, a regression at all. A regression is defined as “reversion to an earlier mental or behavioral level,” and that’s actually the opposite of what your baby is experiencing. This would be much more aptly titled the “Four Month Sleep Progression.”
So, onto the big question. What can you do to help your little one adjust?
How to get through the 4 month sleep regression
1. First off, make your baby's room DARK. Get all of that light out of baby’s room. ALL OF IT. Your child’s room needs to be a 10/10 on a dark scale. You might think that baby’s room is dark enough, or that baby might not like the dark, and that it’s comforting to have a little bit of light coming through the windows or seeping in from the hallway. Nope. Baby’s room should be dark. I mean coal mine on a moonless night kind of dark. Tape garbage bags over the windows if you have to or cover them with tinfoil.
Newborns and infants are not afraid of the dark. They are, however, responsive to light. Light tells their brains that it’s time for activity and alertness, and the brain secretes hormones
accordingly, so we want to keep that nursery absolutely pitch black during naps and bedtime.
2. White Noise. The other nemesis of daytime sleep, (and nighttime for that matter, although not nearly as often) is noise. Whether its Amazon ringing the doorbell, the dog warning you that the squirrels are back and for sure going to attack the house this time, or something falling on the floor three rooms away... With baby spending more time in lighter sleep, noises will startle them easily and wake them up, so a white noise machine is a great addition to your nursery.
“Wait, isn’t that a prop,” you’re asking. Well, in a way, it is, but it doesn’t require any winding, resetting, reinserting, or parental presence. It’s just there and it can be on as long as baby’s sleeping, so it’s not a prop we need to avoid.
3. Bedtime routines are also an essential component to getting your baby sleeping well. Try to keep the routine to about 4 or 5 steps, and don’t end it with a feed. Otherwise, you risk baby nodding off at the breast or the bottle, and that will create the dreaded “association” that we talked about earlier.
Put the feed near the beginning of the routine and plan the PJs and stories at the end. The whole process should be about 20 - 30 minutes long (minus the feed), and baby should go into their crib while they’re still awake.
If you’re noticing baby getting fussy before bedtime, you’ve probably waited too long. Four month old babies should really only be going about two hours between snoozes, and bedtime should be between 7 and 8 at night.
Conclusion
Now, there are going to be regressions, actual regressions, later on in your little one’s youth: Traveling, illness, cutting teeth, all of these things can cause your little one to have a few bad nights in a row. But when it comes to the four month “progression,” I’m happy to report that this is a one-time thing. Once you’re through this, your baby will have officially moved into the sleep cycle that they’ll essentially be following for the rest of their life!
And by taking this opportunity to teach them the skills they need to string those sleep cycles together - independently, prop-free, without any need for nursing, rocking, or pacifiers - you’ll have given them a gift that they’ll enjoy for the rest of their lives.
I can help!
Of course, some kids are going to take to this process like a fish to water and some are going to be a little more resistant. If yours falls into the former category, count yourself as lucky, take delight in your success, and go ahead and gloat about it on Facebook.
For those of you in the latter camp, I’m happy to help in any way I can. Just book a call with me and we can work on a more personalized program for your little one. The most common thing I hear after working with clients is, “I can’t believe I waited so long to get some help!” So if you’re considering hiring a consultant, now is absolutely the time. During the free 15 minute evaluation so I can get to know the specifics about your little one’s situation.
So book a call now and we can move forward as soon as you’re ready to get your little one sleeping through the night!
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