Quick answer
Most babies wake in the Zipadee-Zip because of a fit issue, room temperature, or an early transition. Check the size, adjust layers, and confirm your baby is ready for the starfish design.
Why the Zipadee-Zip works differently than a swaddle
A swaddle keeps arms tightly restrained, which can suppress the startle reflex. The Zipadee-Zip’s starfish design allows arms to move freely while still providing a cozy feel. Some babies initially wake more because they are not used to that freedom—this is normal and temporary.
If your baby is under 3 months or still has a strong Moro reflex, the Zipadee-Zip may feel too loose. In that case, waiting a few weeks or using a transitional swaddle first can help.
When to check the fit
A Zipadee-Zip that is too large can bunch up and feel bulky, making it harder for your baby to settle. A size that is too small can restrict movement or feel tight around the chest. Both can cause night waking.
Measure your baby’s weight and length against the size chart. The fabric should fit snugly around the torso without being tight, and the wings should allow full arm movement.
Diagnosis: Why your baby wakes and what to do
- Symptom: Baby wakes within 20 minutes of being put down: Likely cause: The startle reflex is still strong. The Zipadee-Zip allows arm movement, which may trigger the reflex. Corrective action: Try a swaddle transition product that offers more arm containment, or use the Zipadee-Zip for daytime naps first so your baby can adjust gradually. If the reflex persists after 2 weeks, consider a different transition method.
- Symptom: Baby wakes after 2–3 hours of sleep: Likely cause: The room is too warm or too cold. The Zipadee-Zip is a sleep sack, so it adds insulation. Corrective action: Dress your baby in a lightweight footie under the Zipadee-Zip and keep the room at 68–72°F (20–22°C). Check the back of the neck for sweat or coolness. Adjust layers before changing the sleep product.
- Symptom: Baby wakes repeatedly and seems uncomfortable: Likely cause: The Zipadee-Zip is the wrong size. Corrective action: Check the fit—the torso should be snug, and the wings should allow full arm movement. If it is too big, size down; if too small, size up. Also ensure the zipper is fully closed and not rubbing against the chin. If resizing does not help within 3 nights, try a different sleep sack style.
Products that help
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Sleeping Baby Dreamtime Doodles Zipadee-Zip Swaddle Transition: The Zipadee-Zip’s unique starfish design provides the cozy, secure feeling of a swaddle without limiting baby’s range of motion. This design reduces the startle reflex while allowing natural movement, which can help babies who wake because they feel trapped in a traditional swaddle.
Sleeping Baby Dreamtime Doodles Zipadee-Zip Swaddle Transition



