1. waves crashing onto the shore BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

    waves crashing onto the shore BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

  2. wind sea BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

    wind sea BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

  3. waves shore surf BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

    waves shore surf BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

  4. waves real shingle BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

    waves real shingle BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

  5. waves on pebble beach BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

    waves on pebble beach BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

  6. beta_brainwaves_focus_18Hz__brainwaves_ _studyfocus_ _FocusWhilelearning_17096649785898378

    beta_brainwaves_focus_18Hz__brainwaves_ _studyfocus_ _FocusWhilelearning_17096649785898378

  7. beta_brainwaves_focus_19Hz__Focusing_ _focus_ _studyfocus_17096632948471596

    beta_brainwaves_focus_19Hz__Focusing_ _focus_ _studyfocus_17096632948471596

  8. beta_brainwaves_focus_26Hz__Focusing_ _studyfocus_ _brainwaves_17096705164602723

    beta_brainwaves_focus_26Hz__Focusing_ _studyfocus_ _brainwaves_17096705164602723

  9. beta_brainwaves_focus_20Hz__focus_ _Betasounds_ _betawaves_1708982877.0443995

    beta_brainwaves_focus_20Hz__focus_ _Betasounds_ _betawaves_1708982877.0443995

  10. beta_brainwaves_focus_12Hz__Betasounds_ _focus_ _studyfocus_1709649852565189

    beta_brainwaves_focus_12Hz__Betasounds_ _focus_ _studyfocus_1709649852565189

  11. beta_brainwaves_focus_15Hz__brainwaves_ _Betasounds_ _studyfocus_17096267595264125

    beta_brainwaves_focus_15Hz__brainwaves_ _Betasounds_ _studyfocus_17096267595264125

  12. beta_brainwaves_focus_20Hz__Betasounds_ _FocusWhilelearning_ _Focusing_17114469958573778

    beta_brainwaves_focus_20Hz__Betasounds_ _FocusWhilelearning_ _Focusing_17114469958573778

  13. beta_brainwaves_focus_20Hz__betawaves_ _Betasounds_ _brainwaves_1711444222637169

    beta_brainwaves_focus_20Hz__betawaves_ _Betasounds_ _brainwaves_1711444222637169

  14. beta_brainwaves_focus_16Hz__Focusing_ _betawaves_ _brainwaves_17096318568685303

    beta_brainwaves_focus_16Hz__Focusing_ _betawaves_ _brainwaves_17096318568685303

  15. beta_brainwaves_focus_20Hz__Betasounds_ _Focusing_ _betawaves_17113592636001456

    beta_brainwaves_focus_20Hz__Betasounds_ _Focusing_ _betawaves_17113592636001456

  16. beta_brainwaves_focus_8Hz__studyfocus_ _betawaves_ _brainwaves_17096442465740428

    beta_brainwaves_focus_8Hz__studyfocus_ _betawaves_ _brainwaves_17096442465740428

  17. beta_brainwaves_focus_20Hz__brainwaves_ _Focusing_ _FocusWhilelearning_17116272551081457

    beta_brainwaves_focus_20Hz__brainwaves_ _Focusing_ _FocusWhilelearning_17116272551081457

  18. beta_brainwaves_focus_20Hz__Focusing_ _FocusWhilelearning_ _brainwaves_17114943643128047

    beta_brainwaves_focus_20Hz__Focusing_ _FocusWhilelearning_ _brainwaves_17114943643128047

  19. beta_brainwaves_focus_20Hz__brainwaves_ _focus_ _betawaves_1709623426683489

    beta_brainwaves_focus_20Hz__brainwaves_ _focus_ _betawaves_1709623426683489

    6
  20. waves hitting rocks spray distance storm at sea irving nature park BLACK SCREEN 10 HOURS FOR SLEEP

    waves hitting rocks spray distance storm at sea irving nature park BLACK SCREEN 10 HOURS FOR SLEEP

    6
  21. beta_brainwaves_focus_28Hz__Betasounds_ _FocusWhilelearning_ _Focusing_17096564977804613

    beta_brainwaves_focus_28Hz__Betasounds_ _FocusWhilelearning_ _Focusing_17096564977804613

    3
  22. wave sound from spiekeroog iroved BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

    wave sound from spiekeroog iroved BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

    1
  23. beta_brainwaves_focus_20Hz__FocusWhilelearning_ _Focusing_ _brainwaves_17114680869527678

    beta_brainwaves_focus_20Hz__FocusWhilelearning_ _Focusing_ _brainwaves_17114680869527678

    2
  24. water running creek BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

    water running creek BLACK SCREEN 10 HOURS FOR SLEEP STUDYING AND RELAXING

    2
  25. beta_brainwaves_focus_11Hz__studyfocus_ _Betasounds_ _brainwaves_17097623568435931

    beta_brainwaves_focus_11Hz__studyfocus_ _Betasounds_ _brainwaves_17097623568435931