Washington [US], September 6 (ANI): Seven hours is the ideal amount of sleep for people in their middle age and upwards, with too little or too much little sleep associated with poorer cognitive performance and mental health, say researchers.
Washington [US], April 28 (ANI): Researchers from the University of Cambridge and Fudan University have said that seven hours is the ideal amount of sleep for people in their middle age and upwards, with too little or too much little sleep associated with poorer cognitive performance and mental health.
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