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. 2016 Jun 28;18(7):e22052. doi: 10.5812/ircmj.22052

Table 2. The prevalence of specific sleep disorders.

Sleep Disorders Usually, No. (%) Sometimes, No. (%) Rarely, No. (%)
Bedtime resistance and anxiety
Going to bed at different times 140 (34.3) 107 (26.2) 153 (37.3)
Falling asleep in another’s bed 129 (31.6) 47 (11.5) 224 (54.9)
Needing parent in room to sleep 122 (29.9) 59 (14.5) 219 (53.6)
Struggling at bedtime 57 (14) 72 (17.6) 271 (66.4)
Afraid to sleep in the dark 147 (36) 61 (15) 192 (47.1)
Afraid of sleeping alone 150 (36.8) 50 (12.3) 200 (49)
Trouble sleeping away 34 (8.3) 38 (9.3) 328 (80.3)
Sleep onset delay
Difficulty falling asleep in 20 minutes 292 (71.6) 65 (15.9) 43 (10.6)
Night awakening and sleep duration
Moving to another’s bed in night 60 (14.7) 62 (15.2) 278 (68.2)
Awakening once during night 93 (22.8) 161 (39.5) 146 (35.8)
Awakening more than once 109 (26.7) 64 (15.7) 227 (55.6)
Sleeping too little 25 (6.1) 54 (13.2) 321 (78.6)
Not sleeping the same amount each night 285 (69.6) 48 (11.8) 67 (16.4)
Sleep-related breathing disorders
Snoring loudly 12 (2.9) 19 (4.9) 369 (90.4)
Holding breath or stopping breathing 4 (1) 12 (2.9) 384 (94.1)
Snorting and gasping 16 (3.9) 16 (3.9) 368 (90.2)
Parasomnias
Wetting the bed at night 24 (5.9) 28 (6.9) 384 (85.3)
Talking during sleep 34 (8.3) 57 (14) 309 (75.7)
Restless, moving a lot 68 (16.7) 56 (13.7) 276 (67.6)
Sleepwalking 15 (3.7) 13 (3.2) 372 (91.2)
Grinding teeth during sleep 25 (6.1) 33 (8.1) 342 (82.1)
Awakening screaming, sweating 6 (1.5) 35 (8.6) 359 (88)
Alarmed by nightmare 14 (3.4) 51 (12.5) 335 (82.1)
Daytime sleepiness
Awakening by others in the morning 100 (24.5) 112 (27.5) 188 (48)
Waking up in a bad mood 51 (12.5) 84 (20.6) 265 (65.9)
Hard time getting out of bed 31 (7.6) 52 (12.7) 317 (77.7)
Takes a long time to be alert 21 (5.1) 48 (11.8) 331 (81.1)
Seems tired during the day 37 (9.1) 78 (19.1) 285 (69.9)
Asleep while watching TV 48 (11.8) 78 (19.1) 274 (68.5)
Asleep while riding in car 122 (29.9) 52 (12.7) 226 (57.4)