Advisory Board January 26, 2026
According to a new study published in Sleep Advances, getting an insufficient amount of sleep was associated with shorter life expectancy, even when controlling for other lifestyle factors such as diet, exercise, and smoking.
Study details and key findings
For the study, researchers from Oregon Health & Science University (OHSU) analyzed data from CDC’s Behavioral Risk Factor Surveillance System (BRFSS) surveys from 2019 to 2025 to determine the impact of insufficient sleep on life expectancy. The BRFSS includes questions on several risk behaviors that affect health status (such as smoking and sleep duration) and chronic conditions (such as obesity and diabetes).
For modeling purposes, the researchers used CDC’s definition of sufficient sleep, which was at least seven hours a...
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