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. 2018 Jun 4;4:23. doi: 10.1186/s40798-018-0140-5

Fig. 2.

Fig. 2

Changes in sleep difficulty score for each clinical sleep problem category (none, n = 18; mild, n = 12; moderate, n = 11, and severe, n = 3) from time 1 (T1) at baseline to time 3 (T3) after the sleep intervention recommendations