A Study on the Authenticity Identification of Nocturnal Hypertension Diagnosed by Ambulatory Blood Pressure: a Randomized cross-controlled Trial Based on Multimodal Sleep Monitoring

INTERVENTION: AB group:Phase 1: Receive Intervention A (Zopiclone 1mg on the right, ABPM sleep monitoring); Washout period: ‐2 days (natural state, avoid using sedatives); Phase 2: Receive Intervention B (ABPM sleep monitoring, placebo);BA group:Stage 1: Receive Intervention B (ABPM, sleep monitoring, placebo); Washout period: 2 days (natural state, avoid using sedatives); Stage 2: Receive Intervention A (right‐side Zopiclone 1mg, ABPM, sleep monitoring); CONDITION: Nocturnal Hypertension PRIMARY OUTCOME: Ambulatory Blood Pressure Monitoring;Polysomnography; INCLUSION CRITERIA: 1. Age >= 18 years; 2. Nighttime blood pressure >= 120/70 mmHg on 24‐hour ambulatory blood pressure monitoring; 3. Able to independently complete ABPM and PSG monitoring, and sign the informed consent form.