Table 1: Characteristics of the study population.

CharacteristicsAllPoor Sleep QualityGood Sleep QualityP-Value

Age (n = 132)18-2013 (9.8%)12 (15%)1 (1.9%)0.032
21-24101 (76.5%)56 (70%)45 (86.5%)
>2418 (13.6%)12 (15%)6 (11.5%)

Gender (n=137)Male82 (59.9%)47 (56%)35 (66%)0.241
Female55 (40.1%)37 (44%)18 (34%)

Year of study (n = 137)Second year84 (61.3%)71 (86.6%)13 (23.6%)<0.01
Third year53 (38.7%)11 (13.4%)42 (76.4%)

Program (n = 118)MBChB88 (74.6%)56 (82.4%)32 (64%)0.047
BDS25 (21.2%)11 (16.2%)14 (28%)
BSc CM5 (4.2%)1 (1.5%)4 (8%)

Use of Energy Drinks (n = 141)No102 (27.7%)49 (58.3%)53 (93%)<0.01
Yes39 (73.2%)35 (41.7%)4 (7%)