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Table 1 Definition of sleep disorders

From: Poor sleep is highly associated with house dust mite allergic rhinitis in adults and children

Items

Criteria

Difficulty falling asleep

The participant needs more than 30 min to fall asleep

Nocturnal awakening

The participant wakes up at least 2 times throughout the night

Early awakening

The participant wakes up very early or extremely early in the morning

Poor-quality sleep

The participant reports «sleep trouble» as a symptom that prompted him/her to visit a doctor and «poor-quality of sleep» as one of his/her sleep disorders

AND/OR the participant reports being dissatisfied or very dissatisfied with his/her current sleep

AND/OR the participant reports substantial difficulties staying asleep

AND/OR the participant reports considerable difficulties falling back to sleep (rarely or never managing to fall back asleep)

Snoring

The participant reports snoring often or almost daily

AND/OR the participant reports that he/she was already told that he/she snores.

Insomnia

No insomnia = ISI score: 0–7

Mild insomnia = ISI score: 8–14

Moderate insomnia = ISI score: 15–21

Severe insomnia = ISI score: 22–28

Daytime sleepiness

No daytime sleepiness = ESS score: 0–8

Daytime sleepiness = ESS score: 9–15

Severe daytime sleepiness = ESS score: >15