Researchers found that both too little and too much sleep may accelerate aging in various organs throughout the body. A study analyzed data from about half a million participants and identified that the healthiest sleep duration for biological aging is between 6.4 and 7.8 hours per night. Those who slept less than 6 hours or more than 8 hours exhibited signs of faster aging in the brain, heart, lungs, and other systems, along with a higher risk of several health conditions.

This finding is crucial for anyone looking to maintain their health as they age. Proper sleep duration is linked to better organ health and may help prevent diseases such as obesity, type 2 diabetes, hypertension, and mental health issues like depression and anxiety. By aiming for the optimal sleep range, you could potentially slow down biological aging and enhance your overall well-being.

The research is based on a large-scale analysis using biological aging clocks that measure how different organs age over time. While the study shows a clear connection between sleep duration and aging, it does not establish a direct cause-and-effect relationship. Instead, it suggests that sleep patterns can reflect overall health and may indicate underlying issues that contribute to faster aging.

To promote better health and longevity, consider evaluating your sleep habits. Aim for around 7 hours of sleep per night, as this may help keep your organs healthier and reduce the risk of age-related diseases. If you struggle with sleep, it might be worthwhile to explore ways to improve your sleep hygiene, such as creating a calming bedtime routine or limiting screen time before bed.