Experts suggest time-tested, non-drug ADHD treatments for curbing distractibility in adults and children. "Children and adults with ADD can do their best under odd conditions," Hallowell and Ratey say. "Let yourself work under whatever conditions are best for you."
Everytime (now) that I start to put something in a really safe place, I try to stop myself. I will never remember where I put it. The onset of adult ADD :)