If you have good sleep habits and are spending enough time in bed and still wake up tired or feel very sleepy during the day, you may want to talk with your pediatrician or a sleep doctor. Sleep disorders can be treated. The American Academy of Sleep Medicine has a searchable database where you can find board-certified sleep specialists in your area. Your doctor may recommend a sleep evaluation. In this short video, Dr. Lawrence Epstein of Harvard Medical School explains how sleep evaluations work and what to expect.