The Sleep Principle專輯列表

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  13 Meditative Theta Wave Songs
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  #12 electronic alpha wave songs
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  #21 quiet binaural Waves
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  #16 amazing θ frequencies
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  #18 sleep Y binaural Waves
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  #18 dream用alpha wave sounds
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  17 Drone Sounds for Anxiety
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  #15 relaxing binaural patterns
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  #19 brain enhancing θ tones
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  #21 calm & slow Delta noises
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  20 Mind Regeneration Sounds
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  #15 Brown Noise Binaural Noises
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  16 of the Best Binaural Sounds
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  #18 Quiet Electronic Theta Beats
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  #9 Powerful Theta Beats
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  #18 Brown Noise Sine Frequencies
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  #18 Cosmic Frequency Waves
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  Essential Ambient Nature Sounds Collection
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  36 Peaceful Rain Sounds for Sleep and Relaxation
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  #1 Rain and Nature Sounds - #1 Comforting Melodies for Instant Chilling Out
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  Dream Out Loopable Rain Sounds for Sleep and Relaxation
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  The White Noise Playlist: Ambient Rain Sounds for Relaxation
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  Beautiful Melodies: Calming Rainshower
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  2020 Spring Relaxing Rain Sounds for Deep Sleep, Insomnia Cure