OPTIONS:
[i] Avoid exciting, strenuous, or otherwise stimulating activities just before bed. Here are a few more tips to help you wind down : Don't fall for the temptation to hang out in your bed.;
[ii] A good sleep routine should include vigorous exercise or strenuous activity before going to bed. Engaging in a relaxing act such as meditating or deep breathing can be very helpful in falling asleep.;
[iii] Lay down on your back with your eyes closed and your spine relaxed. Make an appointment with a mental health professional if you are having trouble falling asleep.;
[iv] Set a dim room temperature, calm down with calming activities, and go to sleep a little early. You'll probably feel calmer as soon as you get to sleep! Gather some calming activities in advance.;Choose from options above and answer: What most naturally follows?

How to fall asleep for teens who are uncomfortable 
Wind down. 
Simply developing better " sleep hygiene " will likely lead to more ease and comfort falling asleep. Make time to prepare your body and mind for sleep.
Answer:
[i]