Banana peel has the potential to improve sleep quality. The purpose of this research is to test the effect of banana peel on improving sleep quality.

Insomnia is one of the most frequently complained sleep problems in sleep disorders, and in recent years has been regarded by the medical community as a disease that seriously affects people's lives and quality of life. The problem of perishable and perishable causes a great burden on the environment. However, banana peels actually contain many functional ingredients, such as dietary fiber, minerals, alkaloids, flavonoids, phenols, saponins, tannins and dopamine, etc. Banana peel contains more total phenols and total flavonoids than banana pulp. Studies have pointed out that banana peel extraction can inhibit the growth of fungi and bacteria. In addition, it also has antioxidant, anti-depressant, and diuretic functions. Banana peel can also improve the performance of tryptophan metabolism-related genes

Inclusion Criteria:

1.20 to 65-year-old males or non-pregnant females who are willing to sign the subject's consent.

2.Pittsburgh Sleep Quality Index (PSQI) score> 5

Exclusion Criteria:

1. Taking sleeping pills and melatonin
2. People suffering from mental illness
3. Pregnant or breastfeeding women
4. People who are known to be allergic to bananas
5. Have heart-related diseases
6. People with symptoms of sleep cessation