CHAMGAP
VERIFIEDPassed the Codex final verification and publication gate. Evidence-verification cutoff: 2026-08-04. AI was used for research and drafting; the existence of all 2 cited sources was verified at the original page, followed by blind grading, adversarial audit, and build validation. Methodology v1.0.
Verdict No. 2231 · Search date 2026-08-04 · Methodology v1.0

Infant sleep education,
does it really help with Reduced objective night waking measured by actigraphy?

30-Second Summary
D
Evidence Grade D · 30 · Safety acceptable
Parents perceived less severe sleep difficulty, but infants did not wake less by actigraphy
No serious adverse event was reported in the trial. Age-appropriate behavioral guidance should not replace a safe sleep environment or involve leaving an infant in unsafe conditions.
What the
research shows
The grade is D. The registered primary outcome was one composite met when a parent reported a severe sleep problem or the five-day mean actigraphic waking count was at least twice nightly. The actigraphic criterion applied to 93/96 (96.9%) versus 94/96 (97.9%), nearly every infant. Parent-rated severe problems fell from 15/107 (14%) to 4/108 (4%), but an infant actually waking less and a parent feeling less burdened are different claims, giving D with 30 points.
What the
ads claim
Marketing must not convert parents feeling less burdened into infants objectively waking less. Both can matter, but they are not interchangeable outcomes.
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Useful facts when choosing a product

  • ISRCTN42169337 was registered on 2009-07-14 before recruitment began in September 2009.
  • The actigraphic criterion was 93/96 (96.9%) versus 94/96 (97.9%), a simple difference of -1.0 percentage point without a valid reported confidence interval.
  • Adjusted mean nightly wakes differed by -0.2 wakes (95% CI -1.32 to 0.91, P=.72), while the parent-rating risk difference was -10 percentage points (-16.8 to -2.2).
ID

Chamgap Semantic Classification Code

Candidate index · review held

X.cognitive-behavioral-sleep-class-plus-of-telephone-support.behavioral.objective-night-waking-measured-by-actigraphy.reduce.UNK

Behaviors, exposures and policies > cognitive-behavioral sleep class plus of telephone support > Behavioral delivery > objective night waking measured by actigraphy > Reduction claim > Unknown

An automated migration candidate, not an issued permanent code; exact claim scope remains under review. This machine-generated migration candidate helps retrieval but is not a permanent assignment. The original verdict ID and URL remain authoritative.

Download semantic index (JSON) · Codebook v1

Gap Measurement · Verdict 2231 · D 30
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

Hall and colleagues randomized 235 families to sleep education, 117, or infant-safety education, 118. ISRCTN42169337 was registered on 2009-07-14, before recruitment began in September 2009. The primary outcome was a single composite met by either parent-rated severe sleep difficulty or at least two mean nightly actigraphic wakes over five days; the individual measures were also listed as major secondary outcomes. Parent ratings were 4/108 versus 15/107, unadjusted RR 0.26 (95% CI 0.09 to 0.77), baseline-adjusted RR 0.30 (0.11 to 0.84), and risk difference -10 percentage points (-16.8 to -2.2). The actigraphic criterion occurred in 93/96 versus 94/96, a simple difference of -1.0 percentage point for which the paper gives no valid confidence interval. Adjusted mean nightly wakes differed by -0.2 wakes (95% CI -1.32 to 0.91, P=.72). The abstract and body internally mislabel this mean difference as a risk difference of -0.2%.

02

Why this is classified as D (30)

The actigraphic component of the composite primary outcome applied to nearly every infant and objective waking was null. The positive finding was an unblinded parent rating, with attrition from actigraphy analysis, giving D with 30 points.

Counterpoint. This verdict does not deny improvements in parental coping, fatigue, or mood. It addresses only the narrow claim of reduced objective infant night waking.

Rejudgment record. Cross-check applied — Uninformative single composite primary outcome, null objective waking count, positive unblinded parent rating, and actigraphy attrition

Stored scoring profile
EndpointPSymptom or function itself is the target - including patient reports and performance tests
ReplicationR1Single confirmatory trial
IndependenceI2Decisive evidence is publicly or non-profit funded
Effect sizeE0Null
PrecisionC0The confidence interval leaves room for benefit

Stored derived and displayed grades match; this is not a current recalculation or validity check (D).

Sub-claim grades by effect

This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.

Effect (sub-claim)GradeBasis
Reduced actigraphic night wakingDThere was no between-group reduction, 96.9% versus 97.9%.
Reduced parent-rated severe sleep problemsCRates were 4% versus 14%, but parents knew allocation.

Cross-check — AI research and Codex final gate

AI was used for research and drafting. Blind grading, adversarial audit, and the methodology boundary rules were then reapplied before Codex performed the final evidence, grade, copy, and build checks. If a grade cannot be narrowed, both evidence positions and their reasons are published.
03

Evidence Table

StudyDesignSampleFundingEndpointResultWeight
Hall et al. 2015 Rocky Sleep StudyProspectively registered randomized controlled trial235 families randomized, 117 versus 118; six-week data 108 versus 107; actigraphy 96 versus 96Canadian Institutes of Health Research grant MCT-94836Single composite primary outcome met by parent-rated severe sleep difficulty or at least two mean actigraphic night wakes over five daysActigraphic criterion 93/96 versus 94/96, simple difference -1.0 percentage point; adjusted mean nightly-wake difference -0.2 wakes (95% CI -1.32 to 0.91, P=.72); parent rating 4/108 versus 15/107, adjusted RR 0.30 (0.11 to 0.84)Randomized evidence with an uninformative composite and null objective waking
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Receipt — 2 References

All 2 cited sources were verified for existence at the original page (as of 2026-08-04).

Hall WA, Hutton E, Brant RF, et al. A randomized controlled trial of an intervention for infants' behavioral sleep problems. BMC Pediatr. 2015;15:181. PMID: 26567090. DOI: 10.1186/s12887-015-0492-7.
checked
ISRCTN42169337. Night waking reduction in Canadian infants: the Rocky Sleep Study. Registered 2009-07-14.
checked
Research and draft: AI used · Cross-check: blind grading and adversarial audit
Final verification and publication gate: Codex · Evidence date: 2026-08-04 · Corrections: none

Cite this verdict

Infant sleep education x reduced objective night waking Evidence Grade D card
[Chamgap] Infant sleep education x reduced objective night waking — Evidence Grade D·30. 2 cited sources checked. Source: https://chamgap.com/en/verdicts/sleep/infant-sleep-education-objective-night-waking/ · CC BY 4.0

CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.

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