The sound of waves that will put you to sleep before you know it (nature sounds + 1/f fluctuation + alpha waves + ASMR + relaxation + sleep)

The Sound of Waves DX　Luxury Selection,30 mins, 15 secs

• The sound of waves that will put you to sleep before you know it (nature sounds + 1/f fluctuation + alpha waves + ASMR + relaxation + sleep)