Skip to main content

Table 2 Insomnia severity index and components of Pittsburgh sleep quality index

From: Sleep in post-COVID-19 recovery period and its impact on different domains of quality of life

  The studied group
(n = 500)
Score of insomnia severity index 13.01 ± 4.9
0–7 = No clinically significant insomnia 44 (8.8%)
8–14 = subthreshold insomnia 296 (59.2%)
15–21 = clinical insomnia (moderate severity) 133 (26.6%)
22–28 = clinical insomnia (severe) 27 (5.4%)
Global PSQI Score 15.37 ± 4.43
Global PSQI Score components  
Subjective sleep quality 2.10 ± 0.94
Sleep latency 2.35 ± 0.74
Sleep duration 2.16 ± 0.85
Sleep efficiency 2.15 ± 0.86
Sleep disturbance 2.18 ± 0.85
Use of sleep medication 2.23 ± 0.83
Daytime dysfunction 2.21 ± 0.79
  1. PSQI Pittsburgh sleep quality index