What is the optimal amount of sleep in middle age?

What is the optimal amount of sleep in middle age?

Seven hours is the ideal amount of sleep for people in their middle age and upwards, with too little or too much sleep associated with poorer cognitive performance and mental health, say researchers from the University of Cambridge and Fudan University.

Read the whole article by the original source through the link below:

https://www.cam.ac.uk/research/news/seven-hours-of-sleep-is-optimal-in-middle-and-old-age-say-researchers?utm_campaign=research&utm_medium=social&utm_source=facebook