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The Complete Guide to Safe Bedsharing: What the Research Really Says

For all of human history, not a single baby slept alone. Until 100 years ago.

What changed? Not babies. Culture did.

And with that shift, we lost something profound about how human infants are biologically designed to sleep, develop, and thrive.

You've Been Told Bedsharing is Dangerous.

But what if the research tells a completely different story?

Dr. James McKenna, the world’s leading researcher on infant sleep, describes bedsharing as providing “a rich potpourri of accumulating, brain-shaping neurological experiences.”

This isn’t just about sleep. It’s about:

  • Brain development and neurological stimulation
  • Physiological regulation (temperature, breathing, arousal)
  • Breastfeeding success (bedsharing mothers nurse 2X more per night)
  • Long-term developmental advantages (cognitive, emotional, social)
  • Protective factors that research shows can reduce SIDS risk by 50%

What You'll Get in This Free Guide:

  • The Complete Safe Bedsharing Checklist – Know exactly what makes bedsharing safe vs. dangerous
  • The Science Behind Bedsharing Benefits – Brain development, increased arousals, physiological regulation, and more
  • How to Set Up Your Bed Safely – Step-by-step instructions with visual guide
  • Addressing Common Concerns – What about rolling over? What if my partner is a heavy sleeper? Can we bedshare if...?
  • Full Research Citations – Every claim backed by peer-reviewed studies from Dr. McKenna and leading researchers
  • SIDS Risk Factors Explained – Understanding what the research actually says about SIDS, arousal, and proximity
  • Breastfeeding & Bedsharing Connection – Why they're biologically linked and how to optimize both

This Guide is For You If:

  • You're pregnant and researching sleep options
  • You're currently bedsharing but want to ensure you're doing it as safely as possible
  • You've been told bedsharing is "dangerous" and want to see the actual research
  • You're struggling with nighttime nursing and exhaustion
  • You want to understand the developmental benefits of proximity
  • You're a birth/postpartum professional who wants evidence-based information to share with clients

Here's the Truth:

Babies are biologically adapted for the mother’s body.

“Human infants need and expect proximity and contact from caregivers, and caregivers are prepared neuro-biologically to provide it. Social care for human infants is synonymous with physiological regulation.”
— Dr. James McKenna

The question isn’t WHETHER to keep babies close—it’s HOW to do it safely.

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  1. Immediate access to the complete Bedsharing Safety & Benefits Guide (PDF)
  2. Research citations for every claim
  3. Bonus: Safe sleep setup checklist you can print and keep
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What Parents Are

saying

"This completely changed how I view infant sleep. I wish I'd had this information with my first baby!"
"Finally, research-backed information instead of fear-based advice. Thank you!"
"I've been bedsharing but always felt guilty. This guide gave me confidence that I'm doing what's best for my baby."

About the Research

All information in this guide comes from peer-reviewed research, with a primary focus on the work of Dr. James McKenna, Professor of Anthropology (Emeritus) at University of Notre Dame and Director of the Mother-Baby Behavioral Sleep Laboratory.

Dr. McKenna has published extensively on infant sleep, SIDS, breastfeeding, and the biological relationship between mothers and babies during sleep.

Additional research from leading institutions worldwide is cited throughout the guide.

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