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. 2008 Jan 1;31(1):79–90. doi: 10.1093/sleep/31.1.79

Table 2.

Summary of PMQ Findings at Baseline: Treated Population

Mean (SD)
Zolpidem Extended-Release 12.5 mg (n = 669) Placebo (n = 349)
TST, min 295.9 (48.7) 292.8 (47.3)
WASO, min 99.6 (48.3) 102.5 (51.2)
SOL, min 74.6 (47.1) 78.0 (49.2)
QOS 3.21 (0.43) 3.24 (0.43)
NAW, n 3.2 (7.1) 3.0 (4.9)

NAW = nocturnal awakenings; PMQ = Patient's Morning Questionnaire; QOS = quality of sleep; SD = standard deviation; SOL = sleep onset latency; TST = total sleep time; WASO = wake after sleep onset.