Health care can be a complicated and convoluted endeavor. From the perspective of a patient, it can be downright bewildering. It’s even hard to determine the role of your caregiver at times. There are a lot of credentials thrown around these days. Some health care providers seem to have more letters after their names than letters in their names. It may be difficult to sort out the training and authority of your provider, a term itself that lumps together physicians with other trained professionals. In the realm of sleep, it can be helpful to explore the meaning of some commonly used descriptors and how they have changed over the years to ensure that you get the care that you need. Discover more in this Huffington Post article by Dr. Peters.