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Sleep Associations: The Good, The Bad, and The Sustainable

July 5, 2024Dr. Emily Jones, Sleep Consultant

"Don't nurse him to sleep or he'll never sleep alone!" "Don't use a pacifier or you'll ruin his teeth!"

New parents are bombarded with warnings about creating "bad habits." In the sleep world, these are called Sleep Associations or Sleep Crutches. A sleep association is simply the condition a baby needs to fall asleep.

The Science of Sleep Cycles

Adults and babies both strive to re-create the conditions they fell asleep in when they wake up between sleep cycles.

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  • Scenario A: You fall asleep in your bed with a pillow. You wake up at 2 AM, fluff your pillow, and go back to sleep.
  • Scenario B: You fall asleep in your bed, but wake up on the front lawn. You would freak out and start screaming.

If a baby falls asleep in your arms (Scenario A) but wakes up alone in a crib (Scenario B), they cry. They are looking for "home" (your arms).

"Bad" Associations (Dependent)

These require you to do something every time they wake up (every 45-90 minutes).

  1. Rocking/Bouncing: Great for newborns, exhausting for a 20lb 9-month-old.
  2. Feeding to Sleep: The most common. If the breast/bottle is the pillow, they need it back in their mouth to reset.
  3. Replacing the Pacifier: If they can't find it and put it back in themselves, you are the pacifier-replacer.

"Good" Associations (Independent)

These are things the baby can control or that don't require your intervention.

  1. White Noise: It stays on all night.
  2. Sleep Sack: A wearable blanket that signals "sleep time."
  3. Darkness: Pitch black room.
  4. Thumb/Finger Sucking: They can find their own hand at 2 AM.

When to Change?

If it works for you, it is not a problem. Do you love rocking your baby to sleep? Do you not mind waking up 3 times to feed? Then keep doing it! There is no medical reason you must stop.

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Change is only needed when:

  1. It is no longer working (baby takes 2 hours to rock to sleep).
  2. You are exhausted and resentful.
  3. It is unsafe (co-sleeping on a sofa).

How to Break a "Bad" Association

You don't have to go Cold Turkey.

  1. The Fade: Gently reduce the intervention.
    • Rocking: Rock until drowsy, then stop but hold still. Then put down awake.
    • Feeding: Feed before the bath, not after. Move it earlier in the routine.
  2. Pacifier Power: If you want to keep the paci, teach them to find it. Sprinkle 5-6 glow-in-the-dark pacifiers in the crib. It becomes a game to find one.

Conclusion

Your baby is not "manipulating" you. They just love you and associate you with safety. Any change to sleep habits should be done with love, patience, and consistency.


Disclaimer: The information focused here is for educational purposes only and not medical advice.