text_1: I'm in high school.I need to get to bet by 8:00 pm to get 9hours of sleep.I find myself stating up until 11 pm. What can I do to get to bed on time ?
text_2: How many hours of sleep, does a high school student need? I usually sleep at 11PM but my friend who sleeps at 8PM, mentioned that we need 9 hours of sleep.