Improvement of Sleep Quality of Insomnia Patients with "Binaural Beats"

The goal of this clinical trial is to learn if binaural beat works to treat chronic insomnia in adults. It will also learn about the safety of binaural beat. The main questions it aims to answer are: What medical problems do participants have when using binaural beat? Researchers will compare binaural beat to a placebo to see if binaural beat works to treat chronic insomnia. Participants will: Using binaural beat or a placebo every day for 2 weeks Keep a diary and actigraphy of their insomnia symptoms Visit the clinic after 2 weeks testing for checkups and tests