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∣延伸阅读∣
www. dianid.com/userfiles/editor/image/Color-temperature-in-Kelvin（1）.jpg
Book：Lights Out by T. S.Wiley with Bent Formby, Ph.D.—Chapter 5—Section：Sleeping, Dreaming，&Dying＜＜AU：WHAT IS THIS?＞＞
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www. health.harvard.edu/staying-healthy/blue-light-has-a-dark-side
