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Retrospective Study
Copyright: ©Author(s) 2026.
World J Psychiatry. Sep 19, 2026; 16(9): 118536
Published online Sep 19, 2026. doi: 10.5498/wjp.118536
Table 4 Comparison of sleep status scores between two groups (score, mean ± SD)
Indicator
Phase
Control group (n = 77)
Observation group (n = 77)
t value
P value
BedtimeBefore intervention1.74 ± 0.351.79 ± 0.370.8620.390
Postintervention1.35 ± 0.31a0.87 ± 0.24a10.740< 0.001
Sleep timeBefore intervention1.42 ± 0.251.48 ± 0.291.3750.171
Postintervention1.15 ± 0.23a0.95 ± 0.21a5.635< 0.001
Hypnotic drugsBefore intervention1.37 ± 0.301.44 ± 0.371.2900.199
Postintervention1.12 ± 0.25a0.96 ± 0.21a4.301< 0.001
Daytime functionBefore intervention1.43 ± 0.291.46 ± 0.320.6090.543
Postintervention0.85 ± 0.22a0.63 ± 0.17a6.943< 0.001
Sleep disordersBefore intervention1.67 ± 0.381.72 ± 0.400.7950.428
Postintervention1.28 ± 0.29a1.08 ± 0.27a4.429< 0.001
Sleep efficiencyBefore intervention1.74 ± 0.401.79 ± 0.430.7470.456
Postintervention1.28 ± 0.36a0.92 ± 0.39a5.952< 0.001
Sleep qualityBefore intervention1.39 ± 0.331.41 ± 0.350.3650.716
Postintervention1.08 ± 0.25a0.92 ± 0.23a4.133< 0.001
PSQI total scoreBefore intervention10.76 ± 2.5311.09 ± 2.860.7580.449
Postintervention8.11 ± 1.73a6.33 ± 1.36a7.098< 0.001


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