05/09/2026
Does sleep training damage attachment?
This is one of the biggest fears I hear from parents, and I completely understand why. We all want our babies to feel safe, loved, and securely attached. So let's look at what the research actually tells us rather than relying on the headlines.
A 2016 randomised controlled trial by Gradisar et al. studied 43 infants aged 6–16 months and compared graduated extinction, bedtime fading, and a control group. Both behavioural interventions improved infant sleep, and at the 12-month follow-up, researchers found no significant differences in attachment security between the groups.
The researchers also looked at infant stress, maternal stress, and later emotional and behavioural outcomes. There is also newer research.
A 2025 systematic review and meta-analysis examined behavioural interventions for problematic infant sleep and crying in babies up to 12 months. Across 22 papers representing 20 studies, researchers found mild-to-moderate improvements in unsettled infant behaviour and maternal mental health, including reductions in night waking and crying/fussing.
But here's where I want to be really clear:
This does not mean research proves every form of sleep training is harmless for every baby or every family.
The evidence is strongest for particular behavioural interventions and specific age groups, and the studies have limitations.
That's exactly why I don't believe in a one-size-fits-all approach. Attachment isn't created by responding to every single cry immediately.
It's built through thousands of everyday interactions:
🤍 Comfort
🤍 Responsiveness
🤍 Feeding
🤍 Play
🤍 Cuddles
🤍 Connection
🤍 Knowing your caregiver is consistently there
And sleep support doesn't have to mean ignoring your baby. It can involve responsive, structured approaches that are appropriate for your child's age, development, temperament, and your family's values.
When sleep becomes sustainable, the benefits can extend far beyond bedtime.
A rested parent has more capacity.
A rested baby has more capacity to grow and learn.
A rested family has more capacity for connection.
As a mother of three, I will always advocate for sleep support that is responsive, structured, science-backed, and supportive of your child's biology. Because sleep training isn't about teaching your baby that they don't need you.
It's about allowing them to learn a new skill while knowing you are still there.
Connection + consistency can coexist. 🤍
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