Morning People May Have Lower Risk of Depression: What Science Says


Recent research from the University of Exeter suggests that your genetic predisposition towards being a morning person could significantly influence your mental health. According to their findings, individuals who are genetically inclined to be more active in the morning tend to have a lower risk of experiencing symptoms associated with depression compared to night owls.

Understanding the Study

The study, led by researchers at the University of Exeter, focused on the link between chronotype (a person’s natural inclination towards being a morning person or an evening person) and mental health outcomes, particularly symptoms of depression. By analyzing genetic data from over 450,000 individuals from the UK Biobank and 23andMe databases, the researchers identified genetic variants associated with being a morning person.

Morning People vs. Night Owls

The study found that individuals who are genetically predisposed to wake up early in the morning are less likely to experience symptoms such as low mood, lack of energy, and difficulty in making decisions—common indicators of depression. This correlation held true even after accounting for factors like age, sex, and lifestyle habits such as smoking and exercise.

Night Owls and Depression Risk

Conversely, people who naturally gravitate towards staying up late and waking up later—often referred to as night owls—showed a higher tendency to exhibit symptoms of depression. This association has been observed in previous studies as well, highlighting a consistent pattern across different populations.

Causation vs. Correlation

While the study sheds light on the relationship between chronotype and depression risk, it’s important to note that causation has not been definitively established. Researchers are cautious about determining whether staying up late directly increases the risk of developing depression symptoms or if individuals with depression tend to adopt night owl habits.

Implications for Mental Health

These findings have significant implications for public health strategies aimed at preventing and managing depression. Understanding how our biological clocks influence mental health could lead to targeted interventions. For example, promoting healthier sleep patterns and aligning daily routines with natural biological rhythms might help mitigate depression risk in vulnerable populations.

Future Research Directions

The researchers at the University of Exeter emphasize the need for further investigation into the mechanisms underlying the relationship between chronotype and mental health. Longitudinal studies could provide insights into whether modifying sleep habits can influence depression outcomes positively over time.

The research from the University of Exeter underscores the importance of considering individual biological factors—such as chronotype—in understanding mental health disorders like depression. While genetics play a significant role in determining whether someone is a morning person or a night owl, lifestyle and environmental factors also contribute to overall well-being. As we continue to unravel the complex interplay between genetics, behavior, and mental health, this study represents a crucial step forward in personalized approaches to mental health care. By recognizing and respecting our natural biological rhythms, we may be able to support better mental health outcomes for individuals across diverse populations.