Habit
Maintain moderate indoor humidity to support airway comfort and sleep quality.[5373,5743]
Superscript reference numbers link to the Sources bibliography.
Composite Rating
Blends evidence depth, community direction, safety friction, and completeness.
Evidence Intensity
100/100
High depth from human/RCT/meta counts
Community Direction
0
Mixed / Neutral • confidence Minimal
Safety Friction
100/100
High signal from adverse/interaction markers
Data Completeness
100%
Studies 24 • mentions 0 • links 36
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Classification: add.[1097,1222,5373, etc.]
Best fit: Users with dry-air sleep disruption or recurrent airway irritation..[1097,1222,5373, etc.]
Goal alignment: Sleep, Immune Support, Recovery.[1097,1222,5373, etc.]
Classification
Add
Evidence Tier
LOW
Best Fit
Users with dry-air sleep disruption or recurrent airway irritation.
Primary Focus
Sleep, Immune Support
Clinical Depth
Humans: 2,279 • RCTs: 52 • Meta: 37
Cohort / Real-World
Cohort signals: 240
Safety Markers
Adverse signals: 133 • Interactions: 0
Freshness, trend, and study timeline for this item
Status
Trend
↑ Growing evidence base
Depth
2279 total studies · 9 recent
Timeline
Total indexed
2,279
Human studies
2,279
Cardiometabolic signals
307
Cohort signals
240
Safety adverse signals
133
In vitro / tissue
132
Weighted direction score: 0 (Mixed / Neutral)
High when replicated human meta-analysis/trial/cohort depth is present for the habit or exposure.
Total indexed
2,279
Human studies
2,279
Cardiometabolic signals
307
Cohort signals
240
Safety adverse signals
133
In vitro / tissue
132
Neuropsych signals
69
Randomized trials
52
Sleep signals
47
Meta-analyses
37
Dependency signals
21
Animal-only studies
Distribution of evidence by study design strength
Evidence Strength: High
PMID 38078423 • 2023 Dec
Short-Term Exposure to Ambient Air Pollution and Influenza: A Multicity Study in China.
Environmental health perspectives
Open PubMedPMID 40560568 • 2025 Aug 1
Climate Conditions, Weather Changes, and Air Pollutants and Atopic Dermatitis: A Meta-Analysis.
JAMA dermatology
Open PubMedPMID 36508749 • 2023 Jan
The joint and interaction effect of high temperature and humidity on mortality in China.
Environment international
Open PubMedBenefit reports: 0
Adverse reports: 0
No-effect reports: 0
Mixed reports: 0
Unclear reports: 0
Signal confidence: 0.00
Benefits
Adverse
No Effect
Community confidence 0.00 with mentions: benefit 0, adverse 0, no-effect 0.
aggregate • unclear
No directional first-hand mentions captured in the current community corpus; source links are retained for traceability.
Open mentionEvidence Sources
PUBMED • Human lifestyle/habit literature
Counts from structured habit/exposure PubMed query set.
Outcome: Humans 1, RCT 0, meta 0, cohort 0, sleep signals 1, cardiometabolic signals 0.[5373,5743]
Open sourceNo directional mention volume was resolved; fallback profile metadata is shown in other sections.
0
Composite of study volume, RCTs, and meta-analyses
PMID 36044136 • 2023 Jan
Exposure-response relationship between temperature, relative humidity, and varicella: a multicity study in South China.
Environmental science and pollution research international
Open PubMedPMID 38340613 • 2024 Apr
Come rain or shine: Is weather a risk factor for musculoskeletal pain? A systematic review with meta-analysis of case-crossover studies.
Seminars in arthritis and rheumatism
Open PubMedPMID 32097792 • 2020 Jun
Short- and intermediate-term exposure to NO(2) and mortality: A multi-county analysis in China.
Environmental pollution (Barking, Essex : 1987)
Open PubMedPMID 37257626 • 2023 Sep 20
Climatic and meteorological exposure and mental and behavioral health: A systematic review and meta-analysis.
The Science of the total environment
Open PubMedPMID 35810981 • 2022 Sep 15
The relationship between particulate matter and lung function of children: A systematic review and meta-analysis.
Environmental pollution (Barking, Essex : 1987)
Open PubMedPMID 35561834 • 2022 Sep
Association between averaged meteorological factors and tuberculosis risk: A systematic review and meta-analysis.
Environmental research
Open PubMedPMID 39499984 • 2024 Nov
Environmental factors and the incidence of pediatric epistaxis: A systematic review with meta-analysis.
International journal of pediatric otorhinolaryngology
Open PubMedPMID 37852458 • 2024 Jan 1
The effect of the urban exposome on COVID-19 health outcomes: A systematic review and meta-analysis.
Environmental research
Open PubMedPMID 31856156 • 2019 Dec
Seroprevalence estimates for toxocariasis in people worldwide: A systematic review and meta-analysis.
PLoS neglected tropical diseases
Open PubMedPMID 38471285 • 2024 Feb
Cross-adaptation from heat stress to hypoxia: A systematic review and exploratory meta-analysis.
Journal of thermal biology
Open PubMedPMID 37794404 • 2023 Oct 4
Impacts of exposure to humidex on cardiovascular mortality: a multi-city study in Southwest China.
BMC public health
Open PubMedPMID 34303970 • 2021 Nov 25
The exposure-response association between humidex and bacillary dysentery: A two-stage time series analysis of 316 cities in mainland China.
The Science of the total environment
Open PubMedPMID 39229646 • 2024 Sep
Association between phthalate exposure and risk of allergic rhinitis in children: A systematic review and meta-analysis.
Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology
Open PubMedPMID 24028857 • 2013 Nov
Association of indoor dampness and molds with rhinitis risk: a systematic review and meta-analysis.
The Journal of allergy and clinical immunology
Open PubMedPMID 40183754 • 2025 Apr
Prevalence of toxoplasmosis in natural ungulates as human zoonotic meat-borne pathogens: A systematic review and meta-analysis.
Journal of food science
Open PubMedPMID 37953239 • 2023 Nov 13
Relationship between fine particulate matter (PM(2.5)) concentration and risk of hospitalization due to chronic obstructive pulmonary disease: a systematic review and meta-analysis.
BMC public health
Open PubMedPMID 35218485 • 2022 Jul
Effect of absolute humidity on influenza activity across different climate regions in China.
Environmental science and pollution research international
Open PubMedPMID 39208344 • 2024
Anti-Toxoplasma gondii IgG seroprevalence in the general population in Iran: A systematic review and meta-analysis, 2000-2023.
PloS one
Open PubMedPMID 28558275 • 2017 Dec 1
Heat and mortality for ischemic and hemorrhagic stroke in 12 cities of Jiangsu Province, China.
The Science of the total environment
Open PubMedPMID 33143315 • 2020 Oct 30
Association of Short-Term Exposure to Meteorological Factors and Risk of Hand, Foot, and Mouth Disease: A Systematic Review and Meta-Analysis.
International journal of environmental research and public health
Open PubMedPMID 37673238 • 2023 Dec 15
The comparison of mortality burden between exposure to dry-cold events and wet-cold events: A nationwide study in China.
The Science of the total environment
Open PubMedCommunity Sources
PUBMED • 2023 • Human evidence curation set
PMID 38078423 from Environmental health perspectives.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2025 • Human evidence curation set
PMID 40560568 from JAMA dermatology.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 36508749 from Environment international.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 36044136 from Environmental science and pollution research international.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 38340613 from Seminars in arthritis and rheumatism.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2020 • Human evidence curation set
PMID 32097792 from Environmental pollution (Barking, Essex : 1987).
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 37257626 from The Science of the total environment.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2022 • Human evidence curation set
PMID 35810981 from Environmental pollution (Barking, Essex : 1987).
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2022 • Human evidence curation set
PMID 35561834 from Environmental research.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 39499984 from International journal of pediatric otorhinolaryngology.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 37852458 from Environmental research.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2019 • Human evidence curation set
PMID 31856156 from PLoS neglected tropical diseases.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 38471285 from Journal of thermal biology.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 37794404 from BMC public health.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2021 • Human evidence curation set
PMID 34303970 from The Science of the total environment.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 39229646 from Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2013 • Human evidence curation set
PMID 24028857 from The Journal of allergy and clinical immunology.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2025 • Human evidence curation set
PMID 40183754 from Journal of food science.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 37953239 from BMC public health.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2022 • Human evidence curation set
PMID 35218485 from Environmental science and pollution research international.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 39208344 from PloS one.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2017 • Human evidence curation set
PMID 28558275 from The Science of the total environment.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2020 • Human evidence curation set
PMID 33143315 from International journal of environmental research and public health.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 37673238 from The Science of the total environment.
Outcome: See linked PubMed abstract for methods and outcomes.[5373,5743]
Open source