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. 2020 Feb 29;17(5):1583. doi: 10.3390/ijerph17051583

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Figure A5 — Concept map children, group 4A. 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 were related conceptually according to the participants in this group. The defined cluster names in this concept map were: Cluster 1: Stressful thoughts and feelings; Cluster 2: Noise, distractions, and stressful family situation; Cluster 3: Unable or reluctant to sleep; Cluster 4: Stressed for the upcoming day; Cluster 5: Discomfort; Cluster 6: Being afraid. Arrows indicate an idea is reallocated by researchers; idea 11 ‘Needing to pee when I am already in bed’ was moved from Cluster 2 to Cluster 5; idea 21 ‘The sound of whizzing in my ears when it is very quiet’ was moved to Cluster 2; idea 26 ‘Still feel like playing’ was moved from Cluster 4 to Cluster 3; idea 42 ‘The sound of the TV is too loud when I am in bed’ was moved from Cluster 1 to Cluster 2.