Habit
Use blue-light filters or glasses during late evening as part of sleep hygiene.[1687,2285,2370, etc.]
Superscript reference numbers link to the Sources bibliography.
Composite Rating
Blends evidence depth, community direction, safety friction, and completeness.
Evidence Intensity
56/100
Moderate depth from human/RCT/meta counts
Community Direction
100
Positive Lean • confidence Low
Safety Friction
0/100
Sparse signal from adverse/interaction markers
Data Completeness
100%
Studies 12 • mentions 4 • links 22
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Classification: add.[150,1062,1172, etc.]
Best fit: Users with unavoidable evening screen exposure..[150,1062,1172, etc.]
Classification
Add
Evidence Tier
MEDIUM
Best Fit
Users with unavoidable evening screen exposure.
Primary Focus
Sleep, Mood
Clinical Depth
Humans: 17 • RCTs: 3 • Meta: 0
Cohort / Real-World
Cohort signals: 1
Safety Markers
Adverse signals: 0 • Interactions: 0
Freshness, trend, and study timeline for this item
Status
Trend
→ Stable evidence base
Depth
17 total studies · 3 recent
Timeline
Total indexed
17
Human studies
17
Sleep signals
10
Neuropsych signals
4
Randomized trials
3
In vitro / tissue
1
Weighted direction score: 100 (Positive Lean)
Medium when human evidence exists but with lower depth/replication, or non-human evidence is substantial.
Total indexed
17
Human studies
17
Sleep signals
10
Neuropsych signals
4
Randomized trials
3
In vitro / tissue
1
Cohort signals
1
Cardiometabolic signals
1
Animal-only studies
0
Meta-analyses
0
Safety adverse signals
0
Distribution of evidence by study design strength
Evidence Strength: Moderate
Composite of study volume, RCTs, and meta-analyses
PMID 29101797 • 2018 Jan
Blocking nocturnal blue light for insomnia: A randomized controlled trial.
J Psychiatr Res
Open PubMedPMID 30890197 • 2019 Aug
Neuropsychological Function Response to Nocturnal Blue Light Blockage in Individuals With Symptoms of Insomnia: A Pilot Randomized Controlled Study.
J Int Neuropsychol Soc
Open PubMedPMID 41166315 • 2025
Partial blue light blocking glasses at night advanced sleep phase and reduced daytime irritability, disruptive behavior and improved morning mood, but did not alter salivary melatonin secretion in Japanese male schoolchildren.
Benefit reports: 2
Adverse reports: 0
No-effect reports: 0
Mixed reports: 0
Unclear reports: 2
Signal confidence: 0.39
Benefits
Adverse
No Effect
Community confidence 0.39 with mentions: benefit 1, adverse 0, no-effect 0.
Subreddit coverage: GooglePixel, PlaySmartJoy, Quantisnow.
post • r/GooglePixel • unclear
Blue Light Screen Protector noticeable? I’m currently looking for a premium screen protector for my Google Pixel 8 Pro, and I’ve noticed that many options include some kind of blue light filtration. The descriptions usually claim that this…
Open mentionpost • r/PlaySmartJoy • benefit
Best Blue Light Screen Protector: 2025 Buying Guide [[Check Latest Arrivals blue light screen protector on Amazon.]](https://sites.perfectshome.com/clearance-inventory/?kw=blue light screen protector) # Best Blue Light Screen Protector: 20…
Open mentionpost • r/Quantisnow • unclear
Kensington Launches Privacy Screen Filters with Eyesafe® Technology, Combining Data Protection and Advanced Blue Light Filtration
Evidence Sources
PUBMED • Human lifestyle/habit literature
Counts from structured habit/exposure PubMed query set.
Outcome: Humans 17, RCT 3, meta 0, cohort 1, sleep signals 10, cardiometabolic signals 1.[1687,2285,2370, etc.]
Open sourcePUBMED • 2018 • Human evidence curation set
PMID 29101797 from J Psychiatr Res.
Outcome: See linked PubMed abstract for methods and outcomes.[1687,, etc.]
Dependency signals
0
PLoS One
PMID 37062428 • 2023 Apr
TFOS Lifestyle: Impact of the digital environment on the ocular surface.
Ocul Surf
Open PubMedPMID 35872222 • 2022 Oct
The potential 'blue light hazard' from LED headlamps.
J Dent
Open PubMedPMID 39407430 • 2024 Nov 1
Enhancing Light-curing Competence: A Study of Radiant Exposure and Training Outcomes Among Dental Students.
Oper Dent
Open PubMedPMID 34217920 • 2021 Aug
Effects of pre-bedtime blue-light exposure on ratio of deep sleep in healthy young men.
Sleep Med
Open PubMedPMID 30957274 • 2019 May
Insights into Australian optometrists' knowledge and attitude towards prescribing blue light-blocking ophthalmic devices.
Ophthalmic Physiol Opt
Open PubMedPMID 16714268 • 2006 Jun
Violet and blue light blocking intraocular lenses: photoprotection versus photoreception.
Br J Ophthalmol
Open PubMedPMID 24621473 • 2014 Jul
Changes in blood pressure and sleep duration in patients with blue light-blocking/yellow-tinted intraocular lens (CHUKYO study).
Hypertens Res
Open PubMedPMID 41088238 • 2025 Oct 14
BioClock-optimizing Bright Light Therapy for adults with depression: a study protocol for a multicenter randomized clinical trial on treatment strategies, response predictors, and chronobiological and neurobiological mechanisms.
Trials
Open PubMedPMID 25287985 • 2015 Jan
Blue blocker glasses as a countermeasure for alerting effects of evening light-emitting diode screen exposure in male teenagers.
J Adolesc Health
Open PubMedCommunity Sources
PUBMED • 2019 • Human evidence curation set
PMID 30890197 from J Int Neuropsychol Soc.
Outcome: See linked PubMed abstract for methods and outcomes.[1687,2285,2370, etc.]
Open sourcePUBMED • 2025 • Human evidence curation set
PMID 41166315 from PLoS One.
Outcome: See linked PubMed abstract for methods and outcomes.[1687,2285,2370, etc.]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 37062428 from Ocul Surf.
Outcome: See linked PubMed abstract for methods and outcomes.[1687,2285,2370, etc.]
Open sourcePUBMED • 2022 • Human evidence curation set
PMID 35872222 from J Dent.
Outcome: See linked PubMed abstract for methods and outcomes.[1687,2285,2370, etc.]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 39407430 from Oper Dent.
Outcome: See linked PubMed abstract for methods and outcomes.[1687,2285,2370, etc.]
Open sourcePUBMED • 2021 • Human evidence curation set
PMID 34217920 from Sleep Med.
Outcome: See linked PubMed abstract for methods and outcomes.[1687,2285,2370, etc.]
Open sourcePUBMED • 2019 • Human evidence curation set
PMID 30957274 from Ophthalmic Physiol Opt.
Outcome: See linked PubMed abstract for methods and outcomes.[1687,2285,2370, etc.]
Open sourcePUBMED • 2006 • Human evidence curation set
PMID 16714268 from Br J Ophthalmol.
Outcome: See linked PubMed abstract for methods and outcomes.[1687,2285,2370, etc.]
Open sourcePUBMED • 2014 • Human evidence curation set
PMID 24621473 from Hypertens Res.
Outcome: See linked PubMed abstract for methods and outcomes.[1687,2285,2370, etc.]
Open sourcePUBMED • 2025 • Human evidence curation set
PMID 41088238 from Trials.
Outcome: See linked PubMed abstract for methods and outcomes.[1687,2285,2370, etc.]
Open sourcePUBMED • 2015 • Human evidence curation set
PMID 25287985 from J Adolesc Health.
Outcome: See linked PubMed abstract for methods and outcomes.[1687,2285,2370, etc.]
Open source