Isochronic Tones 2Hz Delta Waves (deep Sleep, Meditation, Astral Travel) Stock Photography

No headphones required!Isochronic tones are said to tune one hemisphere of our brain to a specific brain frequency of 2 Hz, called the delta frequency, leading the listener to a full, deep, dreamless sleep (if desired) or relaxation and meditation. Another claims that astral projection is possible when our brain hemispheres are aligned with these frequencies.