Want to fall asleep faster? Don't use an iPad before bed

Don't use anything that sends blue light to you-- it's well known. Your brain goes "oh shit, suns out, stay alert."

This application:

https://justgetflux.com/

Will remove blue from your devices (iOS requires a jailbreak I believe). The application is invaluable for me as it has made a dramatic difference on my ability to quickly get to sleep.