A white noise machine can be a game-changer for those who have trouble sleeping, and this one from Dreamegg is just $17.99 ahead of Amazon Prime Day ($10 off). It's compact, has a long-lasting battery, and includes 21 different sounds to choose from to help you drift off to dreamland.

Amazon Prime Day is here. Our shopping editors have rounded up the most noteworthy deals to shop before the sale ends on July 11.

On top of that, the Wirecutter Deals team tracks prices all year round to confirm that every discount we feature is actually a good deal. That means we can even tell you about the quality of the deal, such as if it’s the lowest price we’ve seen this year (or ever).