Designing a bedroom should leave the space feeling calm, comfortable, and uniquely yours. However, it's easy to make decorating decisions that have the opposite effect. "One of the biggest mistakes I see is treating the bedroom as an afterthought," says Cathryn Erickson of Cathryn Lindsey Design. "Your bedroom is where you start and end every day and should feel restful, personal, and considered." Below, designers break down the bedroom decorating mistakes to avoid.