Summary: What factors are important to consider when choosing a mattress? Sleep expert <a href="https://healthcare.utah.edu/fad/mddetail.php?physicianID=u6007255">Dr. Milton Chua</a> says comfort is different for each person, and things like spine posture, muscle tone, and body weight should all be considered. Learn what other factors to consider when you're in the mattress store, and find out where the expression "sleep tight" comes from.
