HUMAN NUTRITION

Detailed explanation-1: -Sleep needs can vary from person to person, but in general, experts recommend that healthy adults get an average of 7 to 9 hours per night of shuteye. If you regularly need more than 8 or 9 hours of sleep per night to feel rested, it might be a sign of an underlying problem, Polotsky says.

Detailed explanation-2: -Lower your risk for serious health problems, like diabetes and heart disease. Reduce stress and improve your mood. Think more clearly and do better in school and at work. Get along better with people.

Detailed explanation-3: -For about a decade, the paediatric sleep community has recommended that children three to five years old need 11 to 13 hours, children five to 10 years old need 10 to 11 hours, and adolescents 10 to 17 years need eight-and-a-half to nine-and-a-half hours of sleep each night.