Several research studies were conducted by mary Carskadon and her colleagues on the sleep patterns of u.s. adolescents. they concluded from the studies that: older adolescents tend to be sleepier during the day than younger adolescents.
Adolescence is the stage between childhood and adulthood from ages 10 to 19. It is a unique stage in human development and a critical period that lays the foundation for good health. Adolescents experience rapid physical, cognitive, and psychosocial growth.
Teenage is also called adolescence. Puberty is a time of rapid growth and pubertal changes. A teenager may grow a few inches over a period of months, then go through a period of very slow growth before bursting again.
Adolescence begins with the onset of physiologically normal puberty and ends with the acceptance of adult identity and behavior. This developmental period roughly corresponds to the period from her 10 years to her 19 years corresponding to the World Health Organization's definition of puberty.
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