Overnight Self-Report Instruments Health Questionnaire Coding Field_codes Health Questionaire 7/18/2012 Coding 7/18/2012 Women’s Health Questionnaire (10/08/93 to 09/03/09) Coding Zung Depression Questionnaire and Coding Original Scoring Key State–Trait Anxiety Scale and Coding Scoring Key 1-20 Scoring Key 21-40 Percentiles Standardized Scores Epworth Sleepiness Scale Horne–Ostberg Morningness/Eveningness Scale Coding PM Sleep Evaluation Coding AM Sleep Evaluation Coding Changes to Self-Reported Instruments