Everyone knows that getting a restful night’s sleep is essential for maintaining good physical and mental health and overall well-being. Consistently sleeping well and awakening refreshed, however, isn’t always as easy as it sounds. According to a study by National Public Radio, roughly 60 million Americans, or approximately 1 in 5, suffer from a sleep disorder. Although there are several factors that can affect sleep quality, many experts agree that environment can go a long way toward promoting sound, relaxing sleep. Here are a few tips to turn your bedroom into a comfortable, sleep-friendly sanctuary.