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Table 1 Clinical characteristics of the study groups

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

Parameter Excellent (%) Pass (%) P value
Sex
 Male 27.6 26.7 0.738
 Females 72.4 73.3
 Bad sleep quality 36.9 94.6 0.000
 Bedtime later than midnight 55.3 85.3 0.001
 Snoring or coughing 9.2 28 0.003
 Subjective rating of bad sleep 15.3 46.6 0.000
 Daytime dysfunction 26.1 38.6 0.000
 Use of sleep medications 23 22.6 0.758