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Table 4 Subjective sleep quality and state anxiety between baseline and simulated ICU noise and light night

From: Effect of oral melatonin and wearing earplugs and eye masks on nocturnal sleep in healthy subjects in a simulated intensive care unit environment: which might be a more promising strategy for ICU sleep deprivation?

  Baseline NL P
State anxiety 29.7 ± 4.3 46.0 ± 8.8 0.000
Sleep quality 2.2 ± 1.0 5.7 ± 1.2 0.000
  1. Baseline: quiet and dark environment; NL: simulated ICU noise and light.