Night Owls Increase Depression Risk, New Study Reveals

Light House Denver – Night owls increase the risk of depression, and factors such as mindfulness, sleep quality, and alcohol consumption can help explain why. This was revealed in a recent study published on March 19, 2025, in the open-access journal PLOS One by Simon Evans from the University of Surrey, UK, and his colleagues.

Research on Evening Chronotype and Depression Risk

Previous research has shown that night owls, or “evening chronotypes,” tend to experience more symptoms of depression compared to those who wake up early, referred to as “morning chronotypes.” The recent study deepens the understanding of this relationship by collecting data from 546 university students through an online questionnaire. The data gathered included self-reported information on sleep patterns, mindfulness, rumination tendencies, alcohol consumption, and levels of depression and anxiety.

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Factors Contributing to Increased Depression Risk

The study confirmed that individuals with an evening chronotype are at a higher risk of depression. It also showed that this relationship could be explained by differences in factors such as mindfulness, sleep quality, and alcohol consumption. In general, evening chronotypes had poorer sleep quality, higher alcohol consumption, and lower mindfulness levels compared to morning chronotypes.

Study Limitations and Implications for Intervention

While these findings are significant, the study has limitations due to its cross-sectional design. This design relied on data from only one time point. This limits the ability to establish a cause-and-effect relationship. Additionally, the findings may not apply to age groups outside of the university students included in the study.

Considering these limitations, the authors conclude that interventions focusing on improving mindfulness, sleep quality, and managing alcohol consumption are important. These interventions could play a crucial role in reducing the risk of depression. This is especially true for young adults who tend to stay up late.

The Importance of Mental Health Interventions

The authors add, “With increasing numbers of young adults facing mental health challenges, the findings of this study are particularly relevant. Night owls increase depression risk, and many young adults tend to stay up late. The results suggest how interventions could be implemented to reduce their risk of depression.”

Interventions that promote awareness of healthy sleep patterns, stress management, and reducing alcohol consumption could help bring about positive changes in individuals’ sleep habits. These changes, in turn, can reduce the risk of mental health issues like depression.

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