title: Tonus of Extrinsic Laryngeal Muscles during Sleep and Dreaming.
abstract: The tonus of extrinsic laryngeal muscles was studied in sleeping humans by means of electromyograms. A striking decrease in the muscle tonus was observed at the onset of each phase of electroencephalographic light sleep, rapid eye movements, and dreaming.
authors.forename: R J
authors.initials: RJ
authors.lastname: Berger