What is your OCE (optimal creative environment)?

Attempting to be creative in the middle of a mess, with phones ringing, kids screaming and a million things to do is pointless. Attempting to be creative in a neat and tidy room, without any interruptions, and nothing do do but focus on creativity is pointless. Yup, I meant what I typed. Your OCE (optimal creative environment) can not be determined by anyone but yourself. You know you better than...