# What’s the Best Sleep Duration for Longevity? New research reveals the ideal sleep duration. - **Source:** [Inc.com](https://brifing.si/source/07cb1004-a796-47d7-9801-fc5c7388471d) - **Published:** 2026-08-28 - **Topic:** [Career Growth](https://brifing.si/c/growth) - **Original article:** - **On Brifing:** https://brifing.si/s/0fd5e3bf-81c1-40c4-8396-0c2ecbedd6a5 ## Sleep and Health Relationship New research has found that too little or too much sleep can be harmful to long-term health. Scientists studied 23 biological aging clocks to determine the optimal sleep duration. This study has provided a better understanding of how sleep duration impacts health. ## Ideal Sleep Duration According to the research, the optimal sleep duration for longevity is 7 hours. This duration provides a balance for both physical and mental health. The study showed that 8 hours of sleep is not always the best option. ## Effects of Too Little Sleep The research found that individuals who sleep less than 6 hours show accelerated signs of biological aging. This can lead to a weakened immune system and increased risk of chronic diseases. Insufficient sleep particularly has negative effects on heart health. ## Risks of Too Much Sleep The study also revealed that sleeping more than 9 hours can lead to similar health issues. Excessive sleep can increase the risk of metabolic disorders and diabetes. Therefore, maintaining a balanced sleep duration is crucial. ## Role of Biological Clocks The 23 biological aging clocks used in the study measured the cellular effects of sleep duration. These clocks evaluated aging speed through DNA methylation and other biological markers. The results showed that sleep duration directly impacts the aging process. ## Importance of Sleep Quality The research emphasized that not only sleep duration but also sleep quality is critical. Deep sleep stages are essential for the body’s repair and renewal. Sleep quality plays a decisive role in overall health and lifespan. ## Healthy Sleep Habits Experts recommend sticking to a regular sleep schedule to establish a healthy sleep routine. Additionally, avoiding electronic devices before bed and creating a relaxing environment can improve sleep quality. These habits provide significant long-term health benefits. ## Significance of the Research This study is an important step in understanding the impact of sleep duration on longevity. The findings help determine the ideal sleep duration for a healthy life. Sleep routine emerges as a critical factor for overall health and quality of life. ## Sources covering this story - https://www.inc.com/lucia-auerbach/think-8-hours-of-sleep-is-best-for-longevity-study-23-biological-aging-clocks-different-answer/91396271 — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._