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.
By Shelby Freedman Harris, Psy.D. for YouBeauty.com. Sleep talking (also know as somniloquy) is a sleep disorder that involves unconscious talking when you're asleep. The presentation can vary greatly between people, with some spontaneously talking while others notice it happens when someone talks to them in their sleep.