Your iPhone Has a White Noise Function. Here's How to Turn It On

Zach began writing for CNET in November, 2021 after writing for a broadcast news station in his hometown, Cincinnati, for five years. You can usually find him reading and drinking coffee or watching a TV series with his wife and their dog.

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Listening to natural sounds can lower stress, relieve perceived pain and foster a more positive disposition, according to research from the Proceedings of the National Academy of Sciences. Other studies suggest that white noise could help parents get their babies to sleep, adults learn words and improve learning in environments full of distractions. And if you're looking to buy a white noise machine for yourself or your child, your iPhone can function as one, saving you money on a new device.

When Apple released iOS 15 in 2021, the operating ...