A recent survey done at Stanford University found that many iPhone users are addicted to their iPhones. How bad is it? Perhaps the most telling finding is that 75% of respondents admitted to falling asleep with their iPhone in bed with them. Read more on Yahoo. Interestingly, the author of the study said that it's not necessarily unhealthy to be addicted to one's iPhone and characterized it as an extension of the mind. Still, the survey did reveal that it can interfere with relationships. And me? I'm completely addicted to checking my e-mail on my iPhone whenever I'm away from my computer (which isn't often).