Systematic review: auditory stimulation and sleep.

Study Objectives: Auditory stimulation devices (white and pink noise) are used to mask sounds and facilitate relaxation and sleep; however, the effectiveness of this intervention is not well established. This systematic review examined the scientific literature for the effect of specific types of auditory stimulation on sleep outcomes in adults.

Methods: The PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) statement guided this review.