I tried a lot of things, but what really works is waking up early. You'll feel terrible that day, but you'll naturally fall asleep earlier and wake early the ne

I tried a lot of things, but what really works is waking up early. You'll feel terrible that day, but you'll naturally fall asleep earlier and wake early the next day as well. It even works with your phone next to you. If it's really bad, e.g. you can't sleep until 3, then just stay up until the next night.