The Sleep Disturbance Scale for Children (SDSC) is a 27-item inventory rated on a 5 point Likert-type scale. The instrument’s purpose is to categorize sleep disorders in children.
The Sleep Disturbance Scale for Children (ANGSleepDisturbance)
| No | Code | Question | Response |
| 9.1.1 | ANGSleepDisturbance1 | How many hours of sleep does your child have per night? | 1 – 9-11 hours; 2 – 8-9 hours; 3 – 7-8 hours; 4 – 5-7 hours; 5 – Less than 5 hours |
| 9.1.2 | ANGSleepDisturbance2 | How long after going to bed does your child usually fall asleep? | 1 – Less than 15 minutes 2 – 15-30 minutes 3 – 30-45 minutes 4 – 45-60 minutes 5 – More than 60 minutes |
| 9.1.3 | ANGSleepDisturbance3 | Your child does not like going to bed | 1 – Never 2 – Occasionally 3 – Sometimes 4 – Often 5 – Always 6 – Don’t know |
| 9.1.4 | ANGSleepDisturbance4 | Your child has difficulty in getting to sleep at night | As above |
| 9.1.5 | ANGSleepDisturbance5 | Your child feels anxious or afraid when falling asleep | As above |
| 9.1.6 | ANGSleepDisturbance6 | Your child startles or jerks parts of the body while falling asleep | As above |
| 9.1.7 | ANGSleepDisturbance7 | Your child shows repetitive actions such as rocking or head banging while falling asleep | As above |
| 9.1.8 | ANGSleepDisturbance8 | Your child has very strange dreams while falling asleep | As above |
| 9.1.9 | ANGSleepDisturbance9 | Your child sweats a lot while falling asleep | As above |
| 9.1.10 | ANGSleepDisturbance10 | Your child wakes up more than twice per night | As above |
| 9.1.11 | ANGSleepDisturbance11 | After waking up in the night, your child has trouble falling asleep again | As above |
| 9.1.12 | ANGSleepDisturbance12 | Your child has twitching or jerking of the legs during sleep or often changes position during the night or kicks the covers off the bed | As above |
| 9.1.13 | ANGSleepDisturbance13 | Your child has trouble breathing during the night | As above |
| 9.1.14 | ANGSleepDisturbance14 | Your child gasps for breath or is unable to breathe during sleep | As above |
| 9.1.15 | ANGSleepDisturbance15 | Your child snores | As above |
| 9.1.16 | ANGSleepDisturbance16 | Your child sweats a lot during the night | As above |
| 9.1.17 | ANGSleepDisturbance17 | You have seen your child sleep walking | As above |
| 9.1.18 | ANGSleepDisturbance18 | You have seen your child verbalising in his/her sleep | As above |
| 9.1.19 | ANGSleepDisturbance19 | Your child grinds his/her teeth during sleep | As above |
| 9.1.20 | ANGSleepDisturbance20 | Your child sometimes wakes from sleep screaming or confused so that you cannot seem to get through to him/her, but has no memory of these events the next morning | As above |
| 9.1.21 | ANGSleepDisturbance21 | Your child has nightmares which he/she can’t remember the next day | As above |
| 9.1.22 | ANGSleepDisturbance22 | Your child is hard to wake up in the morning | As above |
| 9.1.23 | ANGSleepDisturbance23 | Your child wakes up in the morning feeling tired | As above |
| 9.1.24 | ANGSleepDisturbance24 | Your child sometimes feels unable to move when waking up in the morning | As above |
| 9.1.25 | ANGSleepDisturbance25 | Your child is tired during the day | As above |
| 9.1.26 | ANGSleepDisturbance26 | Your child falls asleep suddenly in unusual situations | As above |
| 9.1.27 | ANGSleepDisturbance27 | Disorders of initiating and maintaining sleep Sum of items 1,2,3,4,5,10,11 | Calculated |
| 9.1.28 | ANGSleepDisturbance28 | Sleep Breathing Disorders Sum of items 13,14,15 | Calculated |
| 9.1.29 | ANGSleepDisturbance29 | Disorders of arousal Sum of items 17,20,21 | Calculated |
| 9.1.30 | ANGSleepDisturbance30 | Sleep-Wake Transition Disorders Sum of items 6,7,8,12,18,19 | Calculated |
| 9.1.31 | ANGSleepDisturbance31 | Disorders of excessive somnolence Sum of items 22,23,24,25,26 | Calculated |
| 9.1.32 | ANGSleepDisturbance32 | Sleep Hyperhydrosis Sum of items 9,16 | Calculated |
| 9.1.33 | ANGSleepDisturbance33 | Total score Sum of factor scores | Calculated |
