The Intersection of Sleep and Hair Loss: A Systematic Review
이 페이지는 아래 학술 논문의 초록(Abstract) 전문을 제공합니다. 원문은 하단 링크에서 확인하세요. ◆ 논문 초록 (Abstract) INTRODUCTION: Sleep disturbance is increasingly recognized as a modifier of dermatologic disease, yet its role in hair...
이 페이지는 아래 학술 논문의 초록(Abstract) 전문을 제공합니다. 원문은 하단 링크에서 확인하세요.
◆ 논문 초록 (Abstract)
INTRODUCTION: Sleep disturbance is increasingly recognized as a modifier of dermatologic disease, yet its role in hair loss remains underexplored. Hair loss disorders, including alopecia areata (AA), androgenetic alopecia (AGA), telogen effluvium (TE), and scarring alopecias, carry substantial psychosocial burden and involve neuroendocrine and immune pathways sensitive to sleep quality. OBJECTIVE: To systematically evaluate associations between sleep disturbances and hair loss across major hair loss subtypes, define shared and subtype-specific mechanisms, and highlight insights relevant to counseling, symptom monitoring, and dermatologic management. METHODS: A Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA)-guided systematic review of PubMed and Scopus identified 291 studies examining sleep disturbances in hair loss. After duplicate removal and screening by two independent reviewers, 29 studies were included. Extracted data included study design, level of evidence, hair loss subtype, sleep measures, mechanisms, and psychosocial correlates. RESULTS: Overall evidence quality was low to moderate (1 level II, 11 level III, 14 level IV, and 3 level V), with cross-sectional studies predominating (n = 15). AA was most represented (n = 14), followed by AGA (n = 11), TE (n = 3), lichen planopilaris (LPP) (n = 1), and traction alopecia (n = 1). Sleep disturbance was consistently elevated across AA, AGA, TE, and LPP populations, commonly assessed by the PSQI. Mechanistic themes varied by subtype: cytokine activation, hypothalamic-pituitary-adrenal axis dysregulation, and altered clock-genes in AA; circadian misalignment, obstructive sleep apnea-related hypoxia, and hormonal imbalance in AGA; neurogenic inflammation and substance-P pathways in TE; and chronic pruritus and pain in LPP. Psychosocial distress amplified sleep disruption in most subtypes. CONCLUSIONS: Across hair loss disorders, sleep disturbance emerges as a biologically plausible and clinically relevant contributor to disease burden. Although most evidence is observational, converging mechanistic and psychosocial data support a bidirectional relationship between sleep quality and hair loss. Incorporating brief sleep assessments into hair loss care and considering sleep-targeted interventions may improve disease stability and patient well-being. Longitudinal and mechanistic studies are needed to clarify causality and identify therapeutic targets. Hair loss conditions, such as alopecia areata, androgenetic alopecia, telogen effluvium, and scarring alopecias, often cause emotional distress, anxiety, and lowered quality of life. Many patients with hair loss report problems with sleep, including difficulty falling asleep, staying asleep, or feeling rested. Poor sleep itself has been linked to hormones, inflammation, stress pathways, and the body’s daily biological rhythms, all of which may have an impact on hair growth. Despite these connections, researcher have not fully understood the relationship between sleep and hair loss. In this study, we reviewed research examining the relationship between sleep and hair loss. Across 29 studies, we found that poor sleep occurred frequently in patients with hair loss and often accompanied higher levels of stress, depression, and anxiety; in some cases, it also aligned with more severe disease. Biological research shows several ways in which sleep disruption may affect hair health: it can activate the immune system in alopecia areata, may be linked to hormonal and body-clock rhythms in androgenetic alopecia, may coincide with stress-related shedding in telogen effluvium, and is often reported alongside scalp inflammation and discomfort in scarring alopecias. Although current research has limitations and cannot prove cause and effect, the findings suggest that sleep may play an important role in hair health. Improving sleep habits, identifying sleep disorders such as insomnia or sleep apnea, and reducing stress may help support overall well-being and could potentially be beneficial for patients with hair loss. Further research should explore whether treating sleep problems directly benefits people with hair loss.
◆ 원문 정보
저자: Boghosian T, Mendez H, Sayegh M, Rabionet A, Beer J et al.
저널: Dermatol Ther (Heidelb)
연도: 2026
DOI: 10.1007/s13555-025-01641-6
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