Newborn babies from 0 to 3 months need 14 to 17 hours
Babies from 4 to 11 months need 12 to 15 hours
Children from 1 to 2 years need 11 to 14 hours
Preschoolers from 3 to 5 years need 10 to 13 hours
Primary and secondary school children from 6 to 13 years need 9 to 11 hours
Teens from 14 to 17 years need 8 to10 hours
Youth from 18 to 25 years need 7 t o 9 hours
Adults from 26 to 64 years need 7 to 9 hours
Seniors over the age of 65 need 7 to 8 hours