The article lacks details over what type of experience the player had when playing, slightly rendering any conclusions useless until further studies.<p>Playing a computer game can be a spectrum of experiences, some that are very distant related to each other. For example, is the game that the person playing a single player game or multiplayer? strategy or action? The excitement level of doing some EVE trading a few hours before sleep, mining some ore in WoW, playing a tournament in starcraft, discussing politics in a facebook "game", playing a puzzle game like portal, playing an unforgiving game like nethack (and dieing), playing an fast reaction game like <i>insert last released fps game here</i>, are all, all, very different in the amount of excitement received.<p>What I would like to see, is the same study but with a game that’s basically a rather boring experience, but common with gamers. MMO Farming, practice matches vs AI, trading, windows card games and so on. That would allow us to separate the act of playing a video game, from the act of doing something exciting before sleeping.