HRV应用科普（第一期）——音频疗愈的有效性

1. 采用3-Hz双耳差拍音频：实验组N3时长和占比显著增加（20%左右增加到28%左右）； N2时长显著减少（54%左右减少到46%左右）；N3潜伏期显著缩短（22min左右缩短到14min左右）。

参考文献：Jirakittayakorn N, Wongsawat Y. A novel insight of effects of a 3-Hz binaural beat on sleep stages during sleep[J]. Frontiers in human neuroscience, 2018, 12: 387.

2. 所有音频都搭载于相同的粉噪音，听双耳差拍的音频比单声拍和纯音音频的被试入睡时间更短。

参考文献：Shumov D E, Arsen’ev G N, Sveshnikov D S, et al. Comparative analysis of the effect of stimulation with a binaural beat and similar kinds of sounds on the falling asleep process: A brief note[J]. Moscow University Biological Sciences Bulletin, 2017, 72(1): 33-36.

3. BBT可以直接或间接（睡眠、情绪、焦虑）降低偏头痛发作的频率、程度、中枢痛觉感知。

参考文献：Lovati C, Freddi A, Muzio F, et al. Binaural stimulation  in migraine: preliminary results from a 3-month evening treatment[J]. Neurological Sciences, 2019, 40(1): 197-198.