That's a lot of time in bed! So, with all of those precious hours sleeping on a mattress, making sure it's one that is both comfy and healthy is a good idea. We have put together some tips for what to look for when buying a mattress to make sure it's not introducing any not-so-safe chemicals to you or anyone else spending time in your bed - like your SO, your dog, or your kids. The big tips: 1. Looks for one with natural materials 2. Stay away from added chemicals like flame retardants or antimicrobials 3. Check for third-party certifications We also have a roundup (linked to from the article) that pulls together some of the safest mattresses on the market.