Chronotype, sleep quality, impulsivity and aggression in patients with borderline personality disorder and healthy controls

Significantly higher scores for subjective sleep quality were observed in the borderline personality disorder (BPD) group compared to healthy controls (p < 0.001).

• BPD patients exhibited increased sleep disturbances, longer sleep latency, and lower sleep efficiency compared to healthy controls.
• A positive correlation exists between sleep quality and aggression levels in BPD patients (correlation coefficient = 0.268, p = 0.027).
• The rate of evening chronotype was significantly greater in healthy controls than in BPD patients (p = 0.004).
• BPD patients with an evening chronotype showed higher rates of suicide attempts and elevated scores in hopelessness, suicidal ideation, and negative self-evaluation.
• Specific suicide probability subscale scores were significantly higher in evening type BPD patients (p values ranged from 0.001 to 0.047).

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