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. 2017 Feb 13;9:3–10. doi: 10.2147/NSS.S111521

Figure 1.

Figure 1

Conceptual model for the relationship between depression and sleep disturbance. Reproduced from Lovato N, Gradisar M. A meta-analysis and model of the relationship between sleep and depression in adolescents: recommendations for future research and clinical practice. Sleep Med Rev. 2014;18(6):521–529.10

Abbreviations: SOL, sleep onset latency; WASO, wake after sleep onset; SWS, slow-wave sleep.