There is a difference between the number of hours you “should” sleep and the number of hours you “need” to sleep.4
The number of hours of sleep you need varies from person to person. Matter of fact, a person’s sleep needs can be linked to their age and gender, and things such as stress, diet, and exercise.4
Take a look at the sleep questionnaire to rate the quality of your sleep.
The bottom line is there is no magic number of hours that a person must sleep to feel rested.