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If you are in the market to buy a new mattress, there are a few times throughout the year that are incredibly ideal, such as March. Right now, you can find the best live Sleep Week 2025 mattress sales at popular brands for a limited time only. There are Sleep Week discounts available on luxurious Saatva mattresses, mattress-in-a-box options from Nectar and eco-friendly Awara sleepers.

In this shopping guide, you can find our 18 favorite mattress deals to help enhance your sleep experience, plus tips for how to choose a mattress and other sleep-related sales on bedding, pillows and bedroom furniture.

4. Beautyrest Silver BRS900-C 13.75-Inch Extra Firm Mattress

It's usually recommended to replace your mattress every seven to 10 years, depending on its condition and your sleep quality. Pay attention to signs that it is time to buy a new mattress including if your sleeper is sagging or lumpy, and if you have discomfort while sleeping or wake up with aches and pains.

What should I consider when buying a mattress online?

Side sleepers typically benefit from a mattress that offers good pressure relief and contouring. Memory foam and latex mattresses are often ideal for side sleepers, as they provide cushioning for the shoulders and hips while maintaining proper spinal alignment.

How do I choose the right mattress firmness?

The right firmness level depends on your usual sleep position, body weight and of course, personal preference. Here is a quick guide to help you choose: