Figure A2.

Concept map children, group 2. In this map, each point reflects one idea. Ideas grouped together more often appear closer to each other on the map. Ideas never/rarely grouped together appear widely separated on the map. Clusters are groups of ideas that were grouped together most often and reflect ideas that are conceptually related according to the participants in this group. The defined cluster names in this concept map were: Cluster 1: Being scared; Cluster 2: Stressful and exciting thoughts and feelings, and illness; Cluster 3: Light in the bedroom; Cluster 4: Noise and distractions in the bedroom; Cluster 5: Fear.