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Table 2 Characteristics of sleep from the PSQI for the two study groups

From: Good sleep quality is associated with better academic performance among Sudanese medical students

Character mean ± SD Excellent Average F Sig
Age years 22.5 ± 1.8 22.6 ± 1.9 0.050 0.823
Sleeping hours 7.00 ± 1.9 6.30 ± 2.0 4.018 0.047
Sleep latency 14.8 ± 15.2 30.3 ± 28.5 15.334 0.000
Subjective sleep rating 0.63 ± 0.92 1.5 ± 0.95 29.3 0.000
Overall sleep quality 4.03 ± 3.3 10.6 ± 3.8 118.2 0.000