Why is my mom so demanding about when I go to bed?

Im only a kid so I don't know how it is for parents. Im hoping an adult can answer this one.

Answers:
i am 30y/o and my mom used to put us to bed every nite a 8pm. i used to wonder the same thing, until i had my kids. if they dont get enough sleep, they are cranky in the morning and have a really crappy day at school.

Other answers:
because she cares for you.
because she cares for you.
Sleep is very important.When you get older you'll yern for the days where you can sleep in.
b/c she wants u in bed at that time. that simple
The reason your mom cares about when you go to bed is because you probably need enough sleep for the next day.
because it usually effects how you act the next day!!
i think it is so you get up for school and you are no tired thought school and do good
Good sleep habits at an early age can prevent common diseases like obesity and diabetes. I cannot stress thee importance of sleeping enough because kids may think that staying up late is petty fun, but if you stay up late, and have to wake up early (for school or something) then its destructive to your body. Your mood can change, and even alter your personality by your personal development of sleeping habits. Trust me, it's easier to start a good habit then change a bad one. I'm a babysitter and the kids i babysit i make sure they go to bed on time, unless it's the weekend, but even then they should still go to bed at a decent hour. Plus, your body sleeps in four hour cycles. after 8 hours, two cycles have gone by, giving your body ample time to repair and refresh. but only on the 1st and 4th hour will you be able to wake easily. If your forced awake(from an alarm clock etc..) on the 2ND or especially 3rd hour, your body sort of aborts the entire repairing cycle...bad stuff.
More sleep = better performance on school work and a better attitude for the entire day. If she didn't make you go to bed about the same time every night and you stayed up late, it would take an entire week for your body to get over that. So, it's just better to go to sleep at the same time every night and not walk around sluggishly for an entire week.
Children need more sleep than adults, because they are growing and learning at a much faster rate than adults. Also, parents need "a little" time to themselves, which helps us to continue to be good parents.
A good Night Sleep is the key to better performance during the day. Because, ur mind is well rested n thus can think n perform good...Think it like a computer...if a computer get over heated, it's performance reduces. I am also a student..and with personal experience i will say that..if one sleeps well his concentration increases. one doesn't have to drink energy drink or coffee to get concentrated..u save money as well as maintain better health..for ppl under 25 i suggest a sleep of at least 8 hours...in conclusion..i would say, when u will get much older, u will understand the importance of sleep...it is really important for better health...
I think your mom wants you to sleep early so that you will grow taller and healthy. Anyway, what's the use of staying up late? By the way, it's not good for your health esp. if you're a kid.
Because she wants you to get enough sleep.
BECAUSE #1 YOUR A CHILD #2 YOU CAN NOT MAKE YOUR OWN DECISIONS ON WHEN YOU CAN AND CAN'T GO TO BED UNTIL YOUR OLD ENOUGH. YOUR PARENTS ARE NOT BEING DEMANDING OR STRICT..THEY ARE JUST BEING PARENTS WHO CARE AND WANT YOU TO DO AS THEY ASK OR SAY
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