While comfort is a matter of personal preference, we’re confident in naming the Vibe Gel Memory Foam Mattress as one of the best and most comfortable mattresses on Amazon. It has a medium-plush feel and gel-infused layers that promote airflow, as well as an average customer rating of 4.4 out of 5 stars (based on over 10,000 verified purchases).

Buying a mattress on Amazon is a good idea if you prioritize convenience and competitive pricing. Amazon Prime members can order many mattresses with speedy two-day shipping, which is useful if you need a bed on short notice. However, one drawback is that you don’t get to try out the mattress in person beforehand, so it’s important to read several customer reviews—and check the bed’s trial period and/or return policy—to make sure it’s a good fit for your needs.

The best time to buy a mattress is typically during major holiday sales, when retailers offer deep discounts and bundle deals. Presidents’ Day, Memorial Day, Labor Day, and Black Friday are some of the biggest mattress sale weekends of the year. Many companies also run promotions during New Year’s and back-to-school seasons, especially for mattresses in a box or dorm-friendly models. If you're not in a rush, waiting for these events can help you save significantly—especially on higher-end models or when shopping in-store. However, many online brands offer ongoing deals year-round, so it’s wort