Table 1.

Inclusion and Exclusion Criteria

Inclusion Criteria	Exclusion Criteria
Ages: 21–69 years old	History of seizures
Met ICSD-II criteria for insomnia (AASM, 2005)	High levels of caffeine, nicotine, and/or alcohol use
Met quantitative sleep criteria for insomnia (Lichstein et al., 2003)	Use of other drugs with sleep-active properties
Report of mood, cognitive, or socio-occupational impairment	Apnea/hypopnea index (AHI) > 10/hour
Prescribed hypnotic use ≥ 4 nights/week for ≥ 6-months	Myoclonus arousals > 10/hour
Desire to quit hypnotic use with an inability to do so	Unstable medical/psychiatric status
	Shiftwork