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. Author manuscript; available in PMC: 2010 Mar 1.
Published in final edited form as: Sleep Med. 2008 May 14;10(3):319–328. doi: 10.1016/j.sleep.2008.02.001

Figure 1. Study Flow Diagram.

Figure 1

Night 1 for screening also served as the pre-baseline adaptation night in the sleep lab. Night 30 (re-adaptation at the beginning of Phase 2) was not included in statistical analyses. Abbreviations: N = night, OSA = obstructive sleep apnea, PLMS = periodic limb movements in sleep, SR = self-report, PSG = polysomnography, SL = sleep latency, WASO = wake after sleep onset, SE = sleep efficiency, SQ = sleep quality.