Effects of Cognitive Correction and Stimulus Control in Chronic Insomnia Patients

Inclusion Criteria: 1. Meets the diagnostic criteria for insomnia disorder according to DSM-5; 2. PSQI total score \> 5; 3. Age ≥ 18 years, with at least a junior high school education; 4. Sleep cognitive distortions assessed using the DBAS-16; 5. "Maladaptive Sleep Behavior Questionnaire - 8 items" used to assess "maladaptive sleep behaviors"; 6. Willing to participate in the study and sign an informed consent form. Exclusion Criteria: 1. Presence of severe physical illness or serious mental disorders, or at risk for suicide; 2. Clinically diagnosed or suspected sleep-related breathing disorders, restless legs syndrome, and circadian rhythm sleep-wake disorders; shift workers; 3. Pregnant or lactating women; 4. Currently undergoing any form of psychological therapy.