Sleep Chart Of Biological Ageing Clocks In Middle And Late Life
Ever wondered how your sleep habits impact your body’s internal clock? New research sheds light on a fascinating connection between how much you sleep and your biological age, which is essentially how old your body “acts” compared to your chronological age. It turns out that getting too little sleep (less than 6 hours) or too much sleep (more than 8 hours) can both contribute to your body aging faster.
The sweet spot for healthy aging appears to be between 6.4 and 7.8 hours of sleep per night, though this can vary slightly depending on individual factors like sex and specific organs. This optimal range is associated with the lowest “biological age gaps,” meaning your body is aging at a healthier pace.
This comprehensive study looked at various markers of aging across different body systems, including brain imaging, blood protein analysis (proteomics), and metabolic profiles (metabolomics). The findings suggest that consistently sleeping outside the optimal range isn’t just about feeling tired; it’s linked to a higher risk of developing various health issues, such as depression and diabetes, and even increased mortality. Interestingly, the way long and short sleep affect conditions like late-life depression might differ, with long sleep potentially influencing it through aging processes, while short sleep has a more direct link. These insights highlight the significant role sleep plays in maintaining overall health and potentially extending a healthy lifespan.
Source: link to paper