![]() Twenty-one subjects who met the International Classification of Sleep Disorders-Third Edition (ICSD-3) criteria for insomnia disorder, had a BDI of 20 or more or had regularly taken related drugs within the past year were excluded from this study. All the subjects had an insomnia severity index of less than 15 and only mild symptoms of insomnia that did not interfere with daily life. Therefore, exposure to music with BB is likely to reduce the hyper-arousal state and contribute to sleep induction.įrom April 2017 to January 2018, 86 subjects with insomnia, aged 20 to 59 years, were recruited from the community. When BB were played, the entrapment of the theta wave appeared. After listening to music with BB for two weeks, the decrease in the beta power was more noticeable than after using music-only devices when participants listened to music in the laboratory (occipital, p = 0.035). After two weeks of intervention with music, the theta power increased when listening to music with BB (parietal, p = 0.009). When music with BB was played, the relative theta power increased (occipital, p = 0.009). Participants used the apparatus with or without 6 Hz BB for 30 min before going to bed for two weeks. Quantitative electroencephalography was measured twice, before and two weeks after the BB intervention. Subjects between 20 and 59 years of age with subclinical symptoms of insomnia were recruited from the community. This study aimed to evaluate the brain wave entrainment effect of binaural beats and to propose an effective and safe supplementary therapy for relieving the symptoms of insomnia. Binaural beat (BB) stimulation, which has two different frequencies for each ear, is reportedly effective in reducing anxiety and controlling mood. ![]()
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