White noise reduces stress in babies. It is pretty noisy on the inside so when they come up the quiet is actually unsettling. White noise can also help babies block out all that new stimulation.
White noise helps babies fall asleep more easily ... and stay asleep longer. Babies have “sleep arousals” generally every 20-45 minutes. White noise can help babies get through these arousals and fall back into deeper sleep.
White noise helps babies cry less. Why do you shush a baby when they are crying? It works (sometimes). Shushing is your personal white noise generator ... but you can't do that for a long stretches!
White noise may reduce the risk of SIDS*. A study found that babies had a significant reduction in the risk of SIDS if there was a fan in their room. No one knows exactly why this happens but many believe it's due to the white noise a fan makes. We do know that white noise reduces “active sleep“ (which is the type of sleep where SIDS is most likely to occur).
* See this article from the the New Your Times.
White noise will help parents sleep too. Who knew babies were sound loud sleepers? White noise will help mask the grunts, gurgles and farts (the noise, not the smell) so you can sleep better. (You can still here them if they cry.)
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