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<p>To investigate the association between weekend catch-up sleep (WCS) duration and depressive symptoms among young adults in China and the United States, and to explore potential associated factors. We conducted a binational cross-sectional study comprising 1,440 Chinese young adults (collected in 2024) and 892 US young adults (from NHANES 2021–2023). Depressive symptoms were assessed using the Patient Health Questionnaire-9 (PHQ-9 ≥ 10). WCS duration was categorized. Logistic regression, restricted cubic splines (RCS), and threshold effect models were employed to examine the relationship. Subgroup analyses were conducted by sex, education, and lifestyle factors. A U-shaped association was observed in both populations. Compared to no catch-up sleep (0 h), a WCS duration of 0–1 h was associated with significantly lower odds of depressive symptoms (China: Odds Ratios (OR) = 0.495, 95% Confidence Intervals (CI) 0.339–0.724; US: OR = 0.412, 95% CI 0.209–0.812). Restricted Cubic Spline (RCS) and threshold analyses confirmed this non-linear pattern, with inflection points at approximately 0.58 h (China) and 1.01 h (US). Subgroup analyses indicated the associations were modified by sex and alcohol drinking status. This study reveals a consistent U-shaped association between WCS and depressive symptoms among young adults in two distinct national populations. Moderate weekend catch-up sleep (around 0–1 h) may be associated with lower odds of depressive symptoms. These findings highlight the importance of balanced sleep patterns for mental health in young adults.</p>

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Association between weekend catch-up sleep and depressive symptoms in young adults: evidence from two national dataset

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月5日

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  • Chenyang Leng,
  • Junhao Zeng,
  • Chen Li,
  • Yiyang Li,
  • Weina Lin,
  • Kaibin Lin,
  • Shu Li,
  • Hui Xiang,
  • Wei Cheng,
  • Qi Tang,
  • Jin Kang,
  • Fen Li,
  • Jiafen Liao

摘要

To investigate the association between weekend catch-up sleep (WCS) duration and depressive symptoms among young adults in China and the United States, and to explore potential associated factors. We conducted a binational cross-sectional study comprising 1,440 Chinese young adults (collected in 2024) and 892 US young adults (from NHANES 2021–2023). Depressive symptoms were assessed using the Patient Health Questionnaire-9 (PHQ-9 ≥ 10). WCS duration was categorized. Logistic regression, restricted cubic splines (RCS), and threshold effect models were employed to examine the relationship. Subgroup analyses were conducted by sex, education, and lifestyle factors. A U-shaped association was observed in both populations. Compared to no catch-up sleep (0 h), a WCS duration of 0–1 h was associated with significantly lower odds of depressive symptoms (China: Odds Ratios (OR) = 0.495, 95% Confidence Intervals (CI) 0.339–0.724; US: OR = 0.412, 95% CI 0.209–0.812). Restricted Cubic Spline (RCS) and threshold analyses confirmed this non-linear pattern, with inflection points at approximately 0.58 h (China) and 1.01 h (US). Subgroup analyses indicated the associations were modified by sex and alcohol drinking status. This study reveals a consistent U-shaped association between WCS and depressive symptoms among young adults in two distinct national populations. Moderate weekend catch-up sleep (around 0–1 h) may be associated with lower odds of depressive symptoms. These findings highlight the importance of balanced sleep patterns for mental health in young adults.