Chest to Chest Cosleeping: The Complete Guide

Discover one of the oldest and biologically rooted ways to sleep with your baby.

This guide explores chest-to-chest sleep as one of the oldest human sleep positions, supported by evolutionary insight and learnings from skin to skin and neonatal collapse research. Learn how to achieve the ideal incline, maintain airway safety, and tackle common concerns when sleeping with your baby on your chest.

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Chest to Chest Cosleeping: The Complete Guide

Discover one of the oldest and biologically rooted ways to sleep with your baby.

This guide explores chest-to-chest sleep as one of the oldest human sleep positions, supported by evolutionary insight and learnings from skin to skin and neonatal collapse research. Learn how to achieve the ideal incline, maintain airway safety, and tackle common concerns when sleeping with your baby on your chest.

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The Chest to Chest Cosleeping Guide includes:

 ✔ Is Chest Cosleeping Safe?

Understanding the research and evolutionary background.

✔ Risk Reduction Guidelines

Six clear steps to make chest-to-chest sleep safer.

✔ Scientific Evidence

What experts, neonatal collapse and skin to skin research reveal.

✔ Chest-to-Chest vs Tummy Sleeping 

Key physiological differences and safety insights.

✔ What to Wear

Temperature control for both parent and baby.

✔ Other Caregivers

How partners and non-breastfeeding parents can participate safely.

✔ Angle and Pillow Use

The ideal incline and positioning to prevent slumping.

✔ Recommended Ages & Transitioning

When chest-to-chest is ideal and when to transition.

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About Isadora 👋

Isadora is the founder of Happy Cosleeper and a leading voice in the world of responsive, attachment-based infant sleep. Her journey began nearly eight years ago when her first son was born. When he refused to sleep in a cot, she began searching for a way to honour both his needs and hers, and discovered the world of safe cosleeping.

Isadora went on to qualify with Lyndsey Hookway through the Holistic Sleep Coaching Programme, as well as with Lauren Heffernan through the Baby-Led Sleep and Wellbeing Certification. She has also completed additional training in lactation and infant attachment, grounding her work in both science and real-life experience.

Isadora has supported thousands of families to make cosleeping safer, more sustainable, and less overwhelming. Today, Happy Cosleeper is the largest cosleeping community in the world, with over 320,000 followers on Instagram and 270,000 members in its private group.

A mother of three with baby number four on the way, Isadora knows what it’s like to want rest, connection, and support that actually makes sense for your reality. Supporting cosleeping families through every stage of their journey isn’t just her job, it’s her mission!