There’s one thing you need to know about how to fall asleep fast: the more you worry about it, the less likely it is to happen.
It may seem obvious, but anxiety is your enemy here, and we’re looking to resolve that issue in any way we can. That means, stop lying in bed, worrying about the sleep you’re not getting.
Instead of that, try getting up and doing something (reading, writing, basically anything engaging your mind or body in some way) until you feel tired. It may seem counterintuitive if you’re trying to figure out how to fall asleep fast, but engaging your mind and body in those ways can actually help you stave off anxiety and depression which are the sworn enemies of sleep.
Another component of figuring out how to fall asleep fast is setting yourself up to succeed before your head hits the pillow. If you have a good sleep environment, sleep should come faster and easier to you. That means eliminating (or reducing as much as possible) electronic devices from your sleep space. It also means keeping your bedroom a quiet space that is dedicated to sleep.
Try not to do other stuff like read or watch TV in that area, even if you think it’s hokey, if your mind knows this is a place to sleep, your body will soon follow suit. If you’re doing these things, you’ll see good results before you know it. And that’s exactly how to fall asleep fast.