Modulation of the ultradian human nasal cycle by sleep stage and body position
Arq. neuropsiquiatr; 75 (1), 2017
ABSTRACT Objective: The nasal cycle, which is present in a significant number of people, is an ultradian side-to-side rhythm of nasal engorgement associated with cyclic autonomic activity. We studied the nasal cycle during REM/non-REM sleep stages and examined the potentially confounding influence of bo...