'My Neighbor Can't Sleep' was a Korean drama about a young couple living in an old apartment. They lived in an old-fashioned apartment. Although the house was very big, their neighbors often made strange noises at night, which troubled them. In the movie, the protagonist Han Zhihui and the male protagonist Lee Haoyu met and began a sweet relationship. However, their relationship was not recognized by their neighbors because their neighbors often did strange things such as singing, dancing, and making phone calls at night. The constant conflict between Han Zhihui and her neighbors eventually led to misunderstandings and quarrels between Han Zhihui and Li Haoyu. The drama explored the relationship between humans, the meaning of life, and the complexity of interpersonal relationships through the interaction between Han Zhihui and her neighbors. In addition, the drama also showed some realistic problems in Korean society, such as neighborhood relations, housing problems, loneliness, and so on.