TABLE 6.

BISQ Sleep Measures According to Sleep Problem Severity Ratings*

Sleep MeasureNo ProblemSmall ProblemSevere ProblemF
Nocturnal sleep duration, h9.60 ± 1.488.99 ± 1.608.13 ± 1.8442.37*
Daytime sleep duration, h3.64 ± 2.022.88 ± 1.462.46 ± 1.2922.60*
Total sleep duration, h13.24 ± 2.1011.87 ± 1.8810.54 ± 2.1773.02*
Sleep-onset time, h20.86 ± 1.4220.84 ± 1.3521.00 ± 1.472.28
Settling time, rating2.56 ± 1.033.00 ± 1.083.34 ± 1.1519.66*
Night wakings, no.1.61 ± 1.732.71 ± 1.643.74 ± 2.0946.01*
Nocturnal wakefulness, h0.74 ± 1.151.06 ± 0.991.59 ± 1.2135.42*
  • Values are mean ± SD.

  • * P < .0001.