Everyone has their own cycles and systems with which they induce creative states. However, it would seem that creativity is less dynamic in environments (both physical and mental) of familiarity — or at least it shows decreasing marginal productivity (ie if you are in the same environment for an extended period of time, you experience less creative impulses each hour/day/etc).
Therefore, randomness/chaos must have some relationship with creative production, at least in correlation if not causation. The irony of this is that any attempt to define, categorize, or bottle chaos is futile and self-defeating. But I think it can still be useful to identify this relationship to take advantage of extraordinary sensory and emotional inputs that can spur more creativity.
