青少年自杀行为和非自杀性自伤行为患者中的睡眠障碍、昼夜节律特征及尿液6-羟基褪黑素硫酸盐水平：一项病例对照研究

Objective: Sleep disturbances and circadian dysregulation are implicated in adolescent self-harming behaviors.This study compared sleep disturbances, chronotype, and urinary 6-hydroxymelatonin sulfate (6-OHMS) levels among adolescents with suicidal behavior (SB), non-suicidal self-injury (NSSI), and healthy controls (HC).Methods: This cross-sectional case-control study included 120 adolescents aged 12-18 years (SB = 40, NSSI = 40, HC = 40).Diagnoses were established using Kiddie Schedule for Affective Disorders and Schizophrenia for School-Aged Children-Present and Lifetime Version for DSM-5.S