Sleep vs. Diet & Exercise: The Healthier Choice?

Lack of sleep is a significant public health problem. Recent research reveals that getting enough sleep is crucial to health, even more so than diet and exercise.

The Importance of Sleep for Health

Studies have shown the strong correlation between lack of sleep and diseases such as cardiovascular disease, type 2 diabetes, obesity and mental health problems such as depression and dementia. The new research focuses on the specific impact of sleep on life expectancy.

Research on Sleep and Life Expectancy

Scientists of the Oregon Health & Science University (OHSU) analyzed survey data from 2019 to 2025, examining how lack of sleep affects longevity. They initially focused on Oregonians and, after finding shocking results, expanded the study to other regions of the United States.

Sleep: More Important than Diet and Exercise

The study results indicate that adequate sleep is vital for health and well-being, regardless of geographic location. In many states, lack of sleep was found to be a more significant risk factor for premature death than poor diet, physical inactivity, or lack of social interaction (although no more so than smoking).

Benefits of Sleep Not Underestimated

According to Andrew McHill, co-author of the study, sleep is essential for almost all biological processes in the body. Other activities, such as work or social events, are often prioritized, relegating sleep to the background. However, lack of sleep has serious health consequences.

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• Improves cognitive function.
• Strengthens the immune system.
• Reduces the risk of chronic diseases.

Sleep is not a luxury, but a fundamental biological need.