Table 3 Mean total sleep time and accompanying standard deviation, in hours, by presence or absence of each allergic disease phenotype resulting in sleep disturbance

Atopic dermatitis

 Kept awake by itchy rash

6.79 ± 1.05 (239)

6.77 ± 1.11 (154)

0.841

 Evening itch

6.76 ± 1.06 (283)

6.83 ± 1.10 (110)

0.592

 Nighttime itch

6.80 ± 0.99 (260)

6.74 ± 1.21 (133)

0.660

 Constant itching in the day and night

6.80 ± 1.07 (353)

6.58 ± 1.05 (40)

0.199

 Constant itching at night

6.75 ± 1.04 (353)

7.03 ± 1.33 (40)

0.217

 Sleep disturbance due to itching

6.78 ± 1.03 (297)

6.78 ± 1.19 (96)

0.970

Allergic rhinitis

 Sleep interference due to nasal blockage

6.74 ± 1.11 (420)

6.77 ± 1.08 (28)

0.893

 Sleep interference due to nasal pruritus

6.67 ± 1.05 (412)

6.83 ± 1.53 (12)

0.718

 Sleep interference due to rhinorrhoea

6.73 ± 1.14 (450)

6.62 ± 0.97 (37)

0.508

 Sleep interference due to sneezing

6.74 ± 1.11 (467)

6.67 ± 0.98 (29)

0.723

 Sleep disturbances due to AR symptoms

6.68 ± 1.06 (382)

6.87 ± 1.20 (182)

0.065

Asthma

 Sleep disturbance due to wheezing

6.98 ± 1.23 (47)

6.57 ± 1.21 (14)

0.282

 Dry nocturnal cough

6.71 ± 0.95 (185)

6.45 ± 1.26 (41)

0.219

 Nighttime asthma attacks

6.80 ± 1.07 (59)

6.58 ± 1.02 (20)

0.411