Inclusion Criteria:  Male or female age 20 to 50 years old Having poor sleep quality (the PSQI global score ≥6) according to preliminary sleep assessment Self-reported no problems with communication, both visual and auditory (reading, writing, hearing and speaking) Signed the voluntary informed consent form for the clinical trial Live in Dhaka, Narayanganj or Munshiganj district.  Exclusion Criteria:  Has taken western and/or oriental medicine and/or therapy and/or dietary supplements in the past 2 weeks for sleep disorders such as insomnia before the preliminary screening Has a severe neural or psychiatric disorder or a history of major neuropsychiatric disorder e.g. autism, learning disorder, and mental retardation Has a hemorrhagic disease or anticoagulant intake Has a serious physical disorder i.e. heart disease, diabetes, cancer etc Has participated in any other clinical trial within a month of the screening date Pregnancy and lactation