What if the baby doesn't calm in the SNOO?

In general, the more you use SNOO, the faster your baby will get accustomed to it. Most newborns sleep well in SNOO within just 1-2 days. Babies older than 6 weeks of age often take 3-7 days to adjust to the new environment.

However all babies are different, so if your baby’s sleep is not improving within 4-5 days…call us! Our Customer Care professionals can often give you practical tips that help make SNOO just right for your baby’s needs. 

If your baby doesn’t calm in SNOO within 40-60 seconds, there are a few things to try.

  • Make sure his arms are snuggly swaddled…arms down. If your baby can get her arms free please click here – on tips to keep the arms swaddled. If you worry that she hates swaddling please click here – or call Customer Care for some extra helpful tips!
  • Check if your infant is hot, cold, needs a diaper change or might be otherwise uncomfortable. You’ll want to meet her needs before laying her down again.
  • Make sure your infant is well fed. A full tummy can be the key to better sleep! See if she will take an extra ½ ounce of milk or a few minutes more on the breast. Also, make sure you are alternating breasts frequently enough - click here for more.
  • Most babies fall asleep easily in SNOO, but some need to be swaddled – with strong white noise playing – and rocked to sleep first and then placed in SNOO already asleep. After 2-3 weeks, she should be ready to put in SNOO drowsy but awake.
  • For some babies, SNOO’s lowest level – blue – is a bit too slow and boring. These babies do best with a bit more sound + motion…like adults who fall asleep to the jiggle and chug of a moving train. (These are often babies who like to be more jiggled, go for car rides on bumpy roads.)

This can happen with some young babies (first month of life), but it is also very common in 2-4 month-old babies as they are becoming much more alert and social. They start to wake every 30-60 minutes, each time they enter a light sleep cycle.

These babies do much better with a bit stronger sound + motion. If your baby is waking too often, use the SNOO app to select a higher amount of calming stimulation (purple or green level) and then “lock” it on that level so it will continue more shush and jiggle all nap or all night…until you turn it off. (Click here for details on locking)

  • Make it noisier at bedtime—it may seem counterintuitive, but many babies need it loud to calm down. If your baby is crying hard, try turning on a hair drier (a few feet from the bed). If that calms your baby - often within seconds – you can continue with it for a few minutes, until your baby has fallen asleep.
  • Some babies also need extra sound to fall asleep and stay asleep. Try playing a recording of rougher sound - about as loud as a shower – when you lull your baby to sleep…before putting her in SNOO. And, continue it all night long. You can usually stop that after a couple of weeks of better sleep. (Many parents find the special SNOO sounds work the best, These can be downloaded here)
  • Try offering a pacifier at sleep-time. Many infants soothe by sucking. (If you’re nursing, wait a week or two - to make sure the breastfeeding is well established - before trying a paci.) If your baby keeps dropping the pacifier, try Dr. Karp’s reverse psychology” trick.
  • Some older babies – 2+months old –get upset when they are first introduced to SNOO. If that sounds like your baby, here are a few things you can do to help him get over his initial worry: give several short massages every day in SNOO – 3-5 minutes each- for him to have some fun experiences in the bed; swaddle and turn on an additional strong white noise 10-20 minutes before putting your baby in SNOO; use swaddling and extra sound to help him fall asleep in your arms and then place him in SNOO.



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