Key result
Prior-night subjective and objective sleep parameters were significantly associated with next-day daytime symptoms, including alertness, fatigue, and mood, over a 10-day period.
Why the study?
To test the hypothesis that prior-night sleep is associated with next-day symptoms using remote monitoring and ecological momentary assessment methods.
Does prior-night sleep predict next-day symptoms in military personnel with sleep problems?
Cohort (n=270)
Yes
Does prior-night sleep predict next-day symptoms in military personnel with sleep problems?
p-value: p=<0.001
Remote monitoring using smartphones and wearables can effectively track the association between prior-night sleep and next-day symptoms in military personnel.
Remote monitoring feasible for sleep-symptom links in military cohorts; hypothesis-generating before any practice change.
This study employed remote monitoring/ecological momentary assessment methods to test the hypothesis that prior-night sleep is associated with next-day symptoms. Military personnel with sleep problems (N = 270) completed daily sleep diaries and twice-daily symptom surveys via smartphone and wore a commercial wearable for ten days. In lagged analyses controlling for age and sex, prior-night sleep was robustly associated with next-day symptoms. Findings support remote approaches to assess sleep and next-day symptoms.
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Wickwire et al. (2024) conducted a cohort in Sleep problems (n=270). Prior-night sleep (subjective and objective) was evaluated on Next-day daytime symptoms (alert, clear-headed, refreshed, fatigued, happy, sad, stressed, relaxed) (p=<0.001). Prior-night subjective and objective sleep parameters were significantly associated with next-day daytime symptoms, including alertness, fatigue, and mood, over a 10-day period.
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