Eight hours of sleep a day? The survey shows the optimal time for retirees and middle-aged people – a large business
+ THE unirytmi which we always hear as ideal is eight hours. However, as we age, this number can vary. So one says study The University of Cambridge and the University of Fudan completed seven hours to sleep ideal for the middle-aged and elderly. Seven hours of sleep is ideal for the elderly and middle-aged … Read more