I chose to to be #4 because it shows how it affects the learning of teenagers when they don't get enough sleep. You can visit this link to see how much you need when you are going to sleep each day. This will always help you with your daily life.
Teens should always get enough sleep so that they will stay awake during the school hours so they wont fall asleep in the middle of the class. This website shows how much sleep you should get when you're a teenager going to sleep.
I chose this to be #2 because if you don't get enough sleep you will feel very drowsy, tired. Not getting enough sleep is bad for you health because you don't feel relieved. This website will show the effects of having not enough sleep.
I chose this to be #3 because it shows why we sleep. This website can show the reason why people sleep everyday in order to get what they need in their life over the span of time.