First off: Mania only describes the up phase, bipolar is the term for describing both up and down (depression being the down phase). Insomnia is usually more a

First off: Mania only describes the up phase, bipolar is the term for describing both up and down (depression being the down phase). Insomnia is usually more a symptom of depression (as in not being able to fall asleep), manic people generally just tend to be overly energetic, needing very little sleep (like 2-4 hrs a day) for long periods of time. Trigger wise you can induce this energetic up feeling by depriving yourself of sleep (by which I don't mean insomnia, but actively keeping your sleep cycles short), but you will pay the price at some point.