Sleep, Regulation Katelyn McCormack Sleep, Regulation Katelyn McCormack

Sleep Training vs Nervous System Regulation: What Parents Should Know

Sleep training doesn’t work for every child. This article explains how nervous system regulation differs from behavior-based sleep strategies and why readiness matters.

Few parenting topics feel as loaded as sleep training.

Many parents come into our office asking:

  • “Do I have to sleep train?”

  • “Is sleep training bad for my baby?”

  • “Why didn’t sleep training work for us?”

These are valid questions - and the answer is often more nuanced than what’s found online.

This article explains the difference between sleep training and nervous system regulation, and why understanding that difference matters.

In a hurry? Here’s the short answer

Sleep training focuses on behavior.
Nervous system regulation focuses on physiology.

For some children, sleep strategies work easily.
For others, sleep struggles persist because the body isn’t fully ready to relax - no matter how consistent the routine.

What sleep training is designed to do

Pediatric chiropractor gently supporting an infant during a nervous system–focused adjustment

Sleep training methods generally aim to:

  • Teach independent settling

  • Reduce night wakings

  • Create predictable sleep patterns

These approaches assume that a child’s nervous system is:

  • Capable of self-soothing

  • Able to shift into rest

  • Comfortable transitioning between sleep cycles

For some children, this is true.

For others, it’s not - yet.

Why sleep training doesn’t work for every child

When sleep training fails, parents are often told:

  • “Be more consistent”

  • “They’re testing boundaries”

  • “You just need to stick with it longer”

But if a child’s nervous system is under stress, consistency alone doesn’t solve the problem.

Signs sleep training may not align with a child’s needs include:

  • Escalating distress

  • More frequent night wakings

  • Short naps

  • Increased daytime dysregulation

  • A child who sleeps better when supported than when alone

What nervous system regulation focuses on instead

Nervous system regulation looks at why sleep is difficult, not just how to change it.

This includes considering:

  • How easily a child shifts into a calm state

  • Whether the body can fully relax

  • Sensory sensitivity

  • Digestive comfort

  • Tension patterns

  • Stress from birth or illness

When regulation improves, sleep often becomes:

  • Easier to initiate

  • Deeper

  • Less fragmented

  • More sustainable

Sleep training vs regulation: not always either/or

This is important to say clearly:

Sleep training and nervous system regulation are not enemies.

Some families:

  • Choose sleep training

  • Modify sleep strategies

  • Or wait until regulation improves before introducing changes

What matters most is whether the child’s nervous system is ready.

Why some babies only sleep with support

One common reason parents feel conflicted about sleep training is contact sleep.

Babies who:

may not yet have the physiological capacity to self-settle.

How PCC approaches sleep conversations

At Pediatric Chiropractic Center, we don’t push a single sleep philosophy.

We focus on:

The goal is not to force independence - it’s to help sleep feel safer and easier over time.

When to pause, modify, or rethink sleep strategies

You may want to reconsider your approach if:

  • Sleep strategies increase distress

  • Your child becomes more overtired

  • Daytime behavior worsens

  • Your intuition says something isn’t right

Parents are not failing when sleep strategies don’t work - they may simply be responding to a child who needs more regulation first.

Final thoughts for parents

You don’t have to choose sides.

Understanding your child’s nervous system gives you context, clarity, and confidence - whether you sleep train, modify strategies, or wait.

Sleep isn’t about willpower.
It’s about readiness.

Dr. Matt McCormack, DC, CCSP, CPPFC

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