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Sleep environment
Tools that change light, sound, temperature, or the physical sleep setting.
Reviewed modality dossiers
Light-blocking eye masks
A simple barrier that reduces light reaching the eyes during the intended sleep period.
Bottom line: Reasonable when unwanted light is a real barrier, with evidence strongest in disrupted hospital environments.Open dossier →Bed thermal-control systems
Active mattress covers, pads, or bedding that cool or warm the sleep surface.
Bottom line: May improve comfort for some sleepers, but current pooled evidence does not establish better objective sleep outcomes.Open dossier →Product-version records
Identity-specific records. Evidence may still be indirect when studies used earlier models or a broader modality.