Inclusion Criteria:

1. Patients undergoing breast cancer surgery with general anesthesia in the hospital;
2. American Society of Anesthesiologists (ASA) classification I-II;
3. Women aged 18-55 years;
4. No history of chronic insomnia;
5. Individuals who have not taken sedative-hypnotic drugs within the past month.

Exclusion Criteria:

1. Those who do not meet the aforementioned inclusion criteria;
2. A history of severe heart, brain, lung, or kidney diseases (such as acute coronary syndrome (ACS), severe heart failure classified as NYHA Class III or IV, severe arrhythmias, severe valvular disease; acute aortic disease, and severe peripheral vascular disease, etc.), or poor physical condition (including reduced exercise tolerance, multi-organ dysfunction, malnutrition, etc.);
3. A history of sleep disorders and psychiatric history;
4. Inability to receive thumb-tack needle treatment.