Insomnia is a huge problem, we are already in the best condition we can be and only have bigger visions and goals will make us feeling better, having friends and passions will help too. Investing in a good pair of earplugs is something you have to do if you are an insomniac, after several studies, I find this one of the best earplugs on the market. They have a long life and they are keeping the noise out without bothering that much! The following links are nice websites to start discover our bodies and psychology.
By the way, I have invested in a pair of customized earplugs, you have to go to a specialized store that will take molds of your ear, I have paid 100$ but are very worth it, the life expectancy is 4 years and they are just perfect.