30 Min Black Screen Delta Binaural Frequencys

Pure Delta Binaural Frequency 30 Min black Screen

Black Screen 30Min Pure Pure Delta Binaural Frequency
Delta pattern: Binaural beats in the delta pattern operate at a frequency of 0.5–4 Hz with links to a dreamless sleep. In the study, people who received a delta pattern frequency during sleep entered a deeper stage of sleep, according to electroencephalogram (EEG) brain scan results.

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