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Six Facts About Newborn Sleep: What You Should Know

When you’re expecting, you plan for everything. You buy 20 different bottles, get at least three flanges for your pump, make sure you have ALL the options for swaddle blankets, and stock up on cute onesies. But as much as you may prepare, there is nothing that can prepare you for the amount of sleep deprivation that you will likely experience during the first 12 to 16 weeks of your baby’s life. We hope these six facts about newborn sleep will help you be ready for anything sleep-related.

You’ll learn about:

  • How newborns feed
  • Why they cry
  • When you can sleep train
  • How to do what’s best for your family

facts about newborn sleep

Sure, while you’re pregnant, you are uncomfortable, which makes sleeping a challenge. I think that many moms fail to realize that this is nature’s way of slowly easing you into the world of your newborn. Let’s face it, it may feel like someone is tossing you into the sleepless pool with no warning, but your body has been preparing you for months, literally.

Now, I’m not saying that sleep deprivation is a good thing. It’s not. In fact, a lack of sleep can definitely contribute to the “baby blues” and is not at all helpful if you’re dealing with Post Partum Depression. Unfortunately, your baby doesn’t know any of this.

facts about newborn sleep
Your body has been preparing you for months to deal with the sleeplessness.

Six Facts About Newborn Sleep

If you’re expecting (or just had a baby-congratulations!), it helps to have a realistic perspective:

1. Newborns Need To Feed Around the Clock

Newborn babies have very small stomachs. This is not an exaggeration. It’s not until about 4 weeks that your baby’s stomach will be the size of an average egg, at which point she can eat between 2.5 to 5 ounces at a stretch.

2. Newborns Cry to Indicate a Need

While this need may not be food, it can be a dirty diaper, gas, reflux, or even that she simply wants to be safe and snuggled up with you. Remember, your newborn is not capable of self-soothing yet. She is relying on you to do that for her until she’s old enough to learn this skill, which usually happens between 4 and 6 months.

3. Sleep Coaching Does Work, Just Not Immediately

Newborn sleep is it’s own special study, and it’s very, very different from the sleep of a 4 to 6 month old. As a newborn, your baby is still figuring out the difference between night and day, and has not yet developed the ability to put herself to sleep.

When it’s time, sleep coaching will help!
Read: The Sleep Lady Shuffle: How to Gently Sleep Train your Baby

4. Newborns Will Wake During the Night

This is normal and healthy. Sure, some babies are immediately able to sleep longer stretches, but most babies will wake to feed every 3-4 hours during the night, sometimes more if they are in the middle of a developmental leap or a growth spurt. Knowing this, it’s important that you figure out a way to get some sleep.

Many parents take shifts or sleep when baby naps during the day for the first 4 to 8 weeks. Ideally, split the night into two 5-hour stretches (mom taking the first 5 with baby and her partner taking the next portion of the night) so that you are not so tired.

cover of Good Night, Sleep Tight book

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5. Newborns Do Not Have a Circadian Rhythm

You may feel tired when the sun goes down, but your new baby doesn’t. That’s bec

ause newborn babies have not yet developed a circadian rhythm. This rhythm is what helps us sleep and wake at “normal” times.
Most babies begin this development around 12 weeks, but your baby’s circadian rhythm will not be fully developed until around 6 to 8 months.

Learn more about newborn sleep patterns:
Read: Newborn Sleep Schedule: What You Can Do for Some Sleep

6. It’s Okay To “Do What Works”

Does your newborn baby nurse to sleep? That’s perfectly fine. She will only nap in the swing? No problem. She wants to eat every 90 minutes during the day? Great. You really are not going to create any “bad” habits in these first few months. Do what works for you and your baby now, so that you can rest and your baby can get the sleep (and feedings) she needs.

Being a parent is a big, exhausting job. You are going to be tired, but remember, your body has been slowly preparing you over the past 9 months for this.  Keep in mind that this phase is temporary. It’s not going to be long before your baby is sleeping longer stretches, and taking naps on a schedule. So enjoy this time, as tiring as it is.

Want to get the jump on sleep training? Start with this:
Read: Drowsy But Awake — The Cornerstone of Successful Sleep Training