PIs will also meet the sleep disturbance criteria of the Pittsburgh Sleep Quality Index(PSQI) > 5 and the Insomnia Severity Index (ISI)> 15 and one of the following minimal characteristics both at intake and as an average profile from the two weeks of baseline diaries: > 30 min. sleep-onset latency (SL), > 30 min. of wake after sleep-onset (WASO), Early Morning Awakening >30 min. prior to the desired wake up time, or any two of the above complaints (Mixed Insomnia); Total Sleep Time (TST) < 6 hours [unless the Sleep Efficiency is < 80%] and the problem frequency must be > 3 nights/week; problem duration > 6 months.