- Source type
- Government
- Access type
- Official
- Publisher
- Centers for Disease Control and Prevention
- Date
- 2024-05-15
- Added
- 2026-06-21
Trust profile
VV Source Trust Matrix v1.0
VV Source Trust Matrix v1.0 asks whether this source is trustworthy for the claim lane being used, not whether every possible claim from it is equally strong.
91
Government health research
- Publisher type
- Government research
- Bias profile
- Low
This source is strongest for safety and clinical outcomes and weaker for consumer context and regulatory status.
VV Source Fit Score 1.0
Fit by use case
Fit scores are role-specific. A source can be excellent for one claim lane and weak for another.
- Regulatory status
- 66/100
- Context Source
- Clinical outcomes
- 90/100
- Primary Anchor
- Mechanism
- 90/100
- Primary Anchor
- Safety
- 92/100
- Primary Anchor
- Consumer context
- 88/100
- Strong Support
- Trial discovery
- 89/100
- Strong Support
Best used for
- Research synthesis
- Public-health context
- Safety resources
Weak for
- Primary endpoint extraction when a study is available
Used in Viral Vitalism
Sleep Is More Than Hours—and Less Certain Than the Headlines
Roles: Regulatory status
About Sleep
Roles: Regulatory status
Show section-level references
Claim ledger
Claims supported
Reviewed claim cards that cite this source in the evidence graph.
sleep: Sleep duration, sleep quality, and sleep regularity are distinct
Sleep duration, sleep quality, and sleep regularity are distinct dimensions of sleep health, and consumer claims should avoid treating hours slept as the whole sleep signal.
sleep: Improving sleep duration, quality, or regularity is a plausible
Improving sleep duration, quality, or regularity is a plausible health intervention, but direct evidence that consumer sleep improvement lowers all-cause mortality remains under-proven.
Related studies
Related sources
Dietary Guidelines for Americans, 2025–2030
Use for current U.S. dietary-guidance context and contrast with zero-plant eating patterns.
- Trust score
- 91
- Publisher
- U.S. Department of Health and Human Services / U.S. Department of Agriculture
- Access
- Official
- Usage
- 3 connections
CDC: Steps for Losing Weight
Centers for Disease Control and Prevention used across the Viral Vitalism evidence library.
- Trust score
- 91
- Publisher
- Centers for Disease Control and Prevention
- Access
- Official
- Usage
- 7 connections
FDA: First Over-the-Counter Continuous Glucose Monitor for Children
Canonicalized from rapid brief fda-otc-cgm-children-dexcom-stelo.
- Trust score
- 94
- Publisher
- U.S. Food and Drug Administration
- Access
- Official
- Usage
- 1 connection
NIH health information
National Institutes of Health used across the Viral Vitalism evidence library.
- Trust score
- 91
- Publisher
- National Institutes of Health
- Access
- Official
- Usage
- 0 connections
Beyond Type 1: FDA approves Tzield for pediatric stage 3 T1D
Canonicalized from June 30, 2026 rapid-brief batch.
- Trust score
- 91
- Publisher
- Beyond Type 1
- Access
- Publisher
- Usage
- 1 connection
CMS: Medicare GLP-1 Bridge launch announcement
Primary CMS source for the temporary Medicare GLP-1 Bridge access program.
- Trust score
- 91
- Publisher
- Centers for Medicare & Medicaid Services
- Access
- Official
- Usage
- 1 connection