Full Definition of MACHIAVELLIAN. 1. : of or relating to Machiavelli or Machiavellianism. 2. : suggesting the principles of conduct laid down by Machiavelli; specifically: marked by cunning, duplicity, or bad faith.
Sleep medicine is a subspecialty field in the US under several medical specialties including anesthesiology, internal medicine, family medicine, and neurology. Neurosurgery is a distinct specialty that involves a different training path, and emphasizes the surgical treatment of neurological disorders.
Your doctor might be able to diagnose a sleep disorder based on your sleep schedule and habits. However, he or she also might need the results from sleep studies and other medical tests to diagnose a sleep disorder. Sleep studies can help diagnose: 1  Sleep-related breathing disorders, such as sleep apnea. 2  Sleep-related seizure disorders. 3  Sleep-related movement disorders, such as periodic limb movement disorder. 4  Sleep disorders that cause extreme daytime tiredness, such as narcolepsy.