Associations between slow-wave sleep and dementia: a systematic review
Bibliographic record
Abstract
OBJECTIVE: To conduct a systematic review of the literature to examine the associations between slowwave sleep (SWS) disturbance and dementia. METHODS: We systematically searched PubMed and Embase for cohort and case-control studies that examined SWS differences between patients with dementia and healthy controls. Study quality was assessed using the Newcastle-Ottawa Scale. RESULTS: In total, 19 studies (three cohort and 16 case-control) were included in analysis. Overall, one cohort study and 14 case-control studies found that reduced SWS was associated with dementia; the evidence was stronger in case-control studies than cohort studies. Study quality of studies varied; most were above average. CONCLUSION: Most studies regarding the association between SWS and dementia are cross-sectional; more longitudinal studies are needed to determine whether reduction in SWS can predict incident dementia. Future studies should include multi-night recordings and the use of standardised criteria to enhance the accuracy of recordings and facilitate comparisons between studies.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.006 | 0.025 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.008 | 0.006 |
| Bibliometrics | 0.013 | 0.011 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.002 | 0.003 |
| Open science | 0.002 | 0.002 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.005 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".