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Table 1 Sleep index variables at the baseline, pre-competition, competition day, and post-competition stages (\(\overline{x}\) ± s)

From: Relationship between sleep quality, mood state, and performance of elite air-rifle shooters

Sleep index variables Baseline Pre-competition Competition day Post-competition
Male (n = 13) Female (n = 10) Male (n = 13) Female (n = 10) Male (n = 13) Female (n = 10) Male (n = 13) Female (n = 10)
Sleep latency (min) 12.1 ± 8.9 14.7 ± 10.7 20.2 ± 4.6# 26.6 ± 7.2*# 25.5 ± 12.1# 26.7 ± 17.1# 11.3 ± 8.3 6.8 ± 4.9*
Total sleep time (h) 7.3 ± 0.4 7.9 ± 0.9 7.4 ± 0.9 7.2 ± 0.9# 7.4 ± 0.8 7.0 ± 0.9# 6.1 ± 0.8# 6.6 ± 0.5#
Sleep Efficiency (%) 91.3 ± 3.2 88.1 ± 3.7 86.6 ± 3.3 84.8 ± 7.9 81.9 ± 4.2# 85.3 ± 5.0 78.5 ± 7.3# 81.3 ± 3.1#
 WASO (min) 38.6 ± 9.3 67.3 ± 15.1 57.6 ± .6.1 69.3 ± 11.9 85.3 ± 10.3 78.8 ± 19.0 103.9 ± 25.5 92.3 ± 18.9
 PISQ > 5 7.3 ± 1.3   8.1 ± 1.5      
 PISQ ≤ 5 3.6 ± 1.6   4.3 ± 0.9      
  1. #Significant difference. Mean values with the same superscript are significantly different (P < 0.05); *P < 0.05 compared with opposite gender