Introduction This work reviews empirical research investigating the bidirectional relationship between daily sleep and affective experiences. In particular, the review focuses on ambulatory assessments such as experience sampling (ESM) and daily diaries. A secondary objective explored the differential impact of affective disorder diagnosis and shift work on daily sleep-emotion dyads.
Methods EMBASE (Ovid), Ovid MEDLINE(R), PsycINFO (Ovid), and Scopus (Elsevier) were searched to January 2021. Additional studies were identified through reference checking and hand searching. Records were deduplicated on EndNote and uploaded to Rayyan.
Results 1526 studies were identified and 51 met the full inclusion criteria. Studies predominantly included healthy populations (N=42), of which four involved shift workers; remaining studies investigated mood disorders (N=9). Studies with only self-report sleep measures were most common (N=31) but a high number incorporated actigraphy (N=20). Overall, 13 studies used both actigraphy (objective) and self-report (subjective) sleep markers. Sleep diaries (N=13), the Pittsburgh Sleep Quality Index (PSQI; N=10), and Positive and Negative Affect Schedule (PANAS; N=20) were the most widely used measures. In general, findings support a mutual relationship between sleep and next-day affective experiences among healthy populations and individuals diagnosed with a mood disorder.
Discussion This work expands on prior reviews by Konjarski, Murray, Lee, and Jackson (2018) and Ong, Kim, Young, and Steptoe (2017) across four areas: to include affective disorders and shift workers; to focus on the situational context of daily assessments; to account for interchangeable affective definitions; and to include studies published after 2017.
Konjarski M, Murray G, Lee VV, & Jackson ML. Reciprocal relationships between daily sleep and mood: A systematic review of naturalistic prospective studies. Sleep Medicine Reviews 2018;42:47-58. doi:https://doi.org/10.1016/j.smrv.2018.05.005
Ong AD, Kim S, Young S, & Steptoe A. Positive affect and sleep: A systematic review. Sleep Med Rev 2017;35:21-32. doi:10.1016/j.smrv.2016.07.006
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