Skip to main content
Parenting

Co-Regulation: Why Your Baby Needs to Borrow Your Calm (And How to Stay Regulated When You're Exhausted)

September 10, 2025

Co-Regulation: Why Your Baby Needs to Borrow Your Calm (And How to Stay Regulated When You're Exhausted)

Your baby is screaming. You've tried everything. Fed, changed, burped, rocked, bounced, shushed. Nothing is working.

And now you're starting to feel it: the rising panic, the tension in your shoulders, the thought of "I can't do this."

Here's what happens next: your baby cries harder. Because your baby can feel your stress. And now they're stressed too.

This isn't a failure. This is biology. And understanding it can change everything.

Parent soothing baby

What Is Co-Regulation?

Babies are born with an immature nervous system. They literally cannot calm themselves down. They don't have the neural wiring yet.

So what do they do? They borrow your nervous system.

Co-regulation is the process by which your calm becomes your baby's calm. When you're regulated, they can use that to regulate themselves.

Think of it like this: your baby's nervous system is still under construction. Yours is the scaffolding holding it up while it's being built.


The Science Behind It

Here's what's happening in your baby's brain and body:

Mirror Neurons

Babies have specialized brain cells called mirror neurons that fire both when they perform an action AND when they see someone else perform that action. When you're calm, their mirror neurons pick up on your relaxed facial expressions, slow breathing, and soft voice. Their brain literally mirrors your state.

Heart Rate Synchrony

Research shows that when a mother holds her baby skin-to-skin, their heart rates synchronize. Your steady heartbeat becomes a metronome for theirs.

Cortisol Transfer

High stress hormones in you can transfer to your baby through your tension, rapid movements, and agitated voice. Conversely, your calm presence helps lower their cortisol levels.

The Bottom Line

Your baby doesn't just need you to DO calming things. They need you to BE calm. They can tell the difference.

Why This Feels So Hard

If you're thinking, "Great, so now I have to be calm when I'm exhausted, touched-out, and haven't slept in months?" you're not alone.

Here's the truth: you don't have to be perfectly calm all the time. That's impossible. What you need is enough regulation to bring your baby back down with you. Even imperfect regulation helps.

And here's the other truth: your nervous system is probably fried too. Postpartum life is a nervous system assault. Sleep deprivation alone dysregulates you. Add in recovery from birth, hormonal changes, and the constant demands of a newborn, and your own system is under siege.

Co-regulation isn't about being zen. It's about doing the best you can with what you have.

Mother connecting with baby

How to Actually Do It

Step 1: Regulate Yourself First

You can't give what you don't have. Before you can calm your baby, you need to find even a sliver of calm in yourself.

Quick Self-Regulation Techniques

  1. Slow your exhale. Inhale for 4, exhale for 6-8. Long exhales activate your parasympathetic nervous system.
  2. Drop your shoulders. You're probably holding them up near your ears. Let them fall.
  3. Unclench your jaw. Open your mouth slightly. Soften your face.
  4. Put your hand on your own chest. Feel your heartbeat. This grounds you in your body.
  5. Say something kind to yourself. "This is hard. I'm doing my best. This will pass."

You don't need to feel completely calm. You just need to shift from "fight or flight" toward "I can handle this."

Step 2: Make Contact

Now bring that (slightly more) regulated state to your baby:

  • Hold them close. Skin-to-skin if possible. Let them feel your heartbeat.
  • Use slow, firm touch. Light, fluttery touches can be overstimulating. Steady pressure is calming.
  • Slow down your movements. Rock or sway in slow motion. Fast bouncing can escalate things.

Step 3: Use Your Voice

  • Lower your pitch. High-pitched sounds signal alarm. Low tones signal safety.
  • Slow your speech. Draw out your words. "Shhhhhh" is universal for a reason.
  • Hum or sing. The vibrations in your chest transfer to them.

Step 4: Breathe Together

Hold your baby against your chest and take slow, deep breaths. They'll feel your chest rise and fall. Often, they'll start to match your rhythm.


When You Can't Get Calm

Some days, you just can't. You're too tired, too touched-out, too overwhelmed. That's okay. Here's what to do:

  1. Put baby in a safe place (crib, bassinet, floor).
  2. Walk away for 2-5 minutes. Close the door if you need to muffle the crying.
  3. Regulate yourself. Splash cold water on your face. Step outside. Scream into a pillow. Whatever you need.
  4. Return when you can. Even slightly calmer is better than escalating together.

Leaving a crying baby in a safe space for a few minutes to collect yourself is not neglect. It's responsible parenting. You cannot pour from an empty cup.

Mother taking a moment for self-care

The Long Game: Building Their Regulation System

Every time you co-regulate with your baby, you're helping build their nervous system. You're teaching them:

  • I can calm down
  • Someone will help me
  • Big feelings don't last forever
  • I am safe

Over months and years, this external regulation becomes internal regulation. They learn to calm themselves because you showed them how.

You're not just soothing a crying baby. You're wiring their brain for emotional resilience.

When to Ask for Help

If you're consistently unable to regulate yourself, or if your baby seems inconsolable most of the time, reach out:

  • Your nervous system may need support (postpartum anxiety and depression are common)
  • Your baby might have underlying discomfort (reflux, allergies, colic)
  • You might need more hands on deck (a postpartum doula, family, friends)

Asking for help is not failure. It's wisdom.


One Last Thing

You will lose your calm sometimes. You'll raise your voice. You'll feel rage you didn't know you had. You'll put the baby down a little too abruptly and walk away feeling like the worst parent ever.

That's not failure. That's being human.

What matters is what happens next: you repair. You come back. You try again.

Your baby doesn't need perfect regulation. They need you to keep showing up, even when it's hard. That's enough.

Desirée Monteilh

Written by

Desirée Monteilh, OTR/L

Desirée is an occupational therapist, certified infant massage instructor, and Reiki practitioner specializing in maternal wellness. With training in perinatal mental health and doula support, she helps mothers navigate the transformative journey of parenthood.

Learn More About Desirée →
← Back to Journal