A Doctor Who specializes in sleep and sleep disorders
Around $35,568-$45,048
Sleep Medicine Physician
I guess that would depend on how much of the class you sleep through.
A somnologist is someone who specializes in sleep disorders. They study and treatment of sleep disorders and irregularities thus the term for a doctor who studies sleep disorders would be called a somnologist.
Polysomnography and Somnology are both used to describe the study of sleep and sleep disorders. A somnologist would be the best term for a scientist who studied sleep disorder, but he might not be a licensed doctor.
The formal name for a sleep expert is a somnologist. Somnology is the scientific study of sleep in human beings. It is intended for the purpose of helping or curing sleep disorders such as insomnia. Somnologists study sleep patterns by sleep diaries, sleep questionnaires, actigraphy, physical examination and polysomnography.