Train Yourself to Fall Asleep Faster. The first three steps are all about only associating your bed with sleep.
The goal is to train yourself, like Pavlov's dog (as mentioned in the article), to expect sleep when you get into bed. If you can condition yourself in such a way, it will be hard to not fall asleep immediately when you get into bed, even if you aren't especially tired. The first two are to make this association easier to make and the third step is to make the association easier to keep. These are all part of the same process and while they aren't necessary to have a good night's sleep, I imagine they could be invaluable to some people with insomnia. If by stupid you mean "scientifically proven to work", then yes, they are stupid. How I Achieved Better Sleep with the Help of Technology. How to Manipulate Your Body to Wake the Hell Up - Lifehacker.