Nearly two-thirds of older adults prefer to sleep on their side. It’s a great way to align your spine and take pressure off your back. But if you’re still not having a restful night, it might come down to your mattress. The AARP Smart Picks team tested more than 30 beds to find the best tips for side sleepers, and here’s what we learned. To support more content like this, become an AARP member at aarp.org. And don’t forget to subscribe for more tips and tricks to help make your life a little easier — and happier!