From PsychCentral, 8 ways to handle anxiety on anniversaries of emotionally-charged events. Number seven:
Return to the basics. Anxiety is often a clue for me to return to the basics of goodsleep hygiene, which means going to bed the same time in the same place with the same person and waking up at the same time, eating healthy (plenty of fiber and protein and reducing the white flour and white sugar that I love so much), cutting my caffeine intake, and basically becoming a boring person.