There is no obvious association between myocardial ischemia and sleep, but some patients may have poor heart function, weakness, and sleepiness due to myocardial ischemia. In reality, myocardial ischemia is not directly related to sleepiness. Instead, it may bring sleep disturbance due to myocardial ischemia or cause worry due to myocardial ischemia. Somatic diseases can all cause psychological diseases at the same time, and poor sleep can also aggravate somatic symptoms, so psychological diseases and somatic symptoms are integrated and intertwined together. Mental illnesses and psychological illnesses are always present in patients with somatic diseases, and patients with somatic diseases often need psychological guidance and de-stressing, which can also improve some of the somatic diseases.