India, Oct. 2 -- As you age, your cognitive functions also weaken. This ageing affects memory, focus and problem-solving skills. While this ageing happens naturally with your biological age, sometimes improper lifestyle habits make your brain age faster, raising serious concerns for brain health and the potential of developing dementia in the long run.

A study published in eBioMedicine, part of The Lancet Discovery Science, on September 30, 2025, identified poor sleep as one of the reasons for premature brain ageing.

The study revealed that sleep offers protective benefits for your brain. Those who don't sleep well or enough may be at risk of a prematurely aged brain, faster than the rest of their bodies. Sleep disturbances set the path...