What does this research mean for the field?

Insomnia accompanied by objectively measured short sleep duration, but not self-reported short sleep duration, significantly increases the risk of all-cause mortality, particularly in males. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.SUPPORTS_CONSENSUS.

What question did this study set out to answer?

This research investigates the link between objective and self-reported short sleep duration in insomnia patients and their mortality risk.

May 10, 2026SLEEP

0417 Objective, but Not Self-Reported Short Sleep Duration Increases Mortality Risk in Patients with Insomnia: The Wisconsin Sleep Cohort

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This research investigates the link between objective and self-reported short sleep duration in insomnia patients and their mortality risk.
Included 373 subjects with insomnia symptoms and 394 without symptoms from the Wisconsin Sleep Cohort.
Median follow-up duration was 8 years, and sleep duration was assessed using polysomnography and self-report.
Insomnia symptoms were assessed based on specific sleep-related challenges occurring more than 5-15 times/month.
Insomnia with objective short sleep duration had a 2.6-fold higher risk of all-cause mortality (HR=2.57, 95% CI=1.12-5.89).
In males, the risk increased to 3.77 (95% CI=1.19-11.97), while no significant risk was found in females.
Self-reported short sleep duration did not correlate with higher mortality risk.

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Implication

Randomized trial finds increased mortality risk in insomnia with objective short sleep duration, suggesting biological severity.

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/6a002222c8f74e3340f9d0b2 https://doi.org/10.1093/sleep/zsag091.0417

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0417 Objective, but Not Self-Reported Short Sleep Duration Increases Mortality Risk in Patients with Insomnia: The Wisconsin Sleep Cohort

Key Points

Discussion

Implication

Cite This Study

0417 Objective, but Not Self-Reported Short Sleep Duration Increases Mortality Risk in Patients with Insomnia: The Wisconsin Sleep Cohort

Key Points

Discussion

Implication

Cite This Study

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