All Studies · Sleep & Insomnia · Jacoby (2024)

Jacoby (2024)

High · RCT Secondary Analysis · Secondary Analysis (RCT-derived) · n = 226
Quality Index (Adjusted QI) 0.788
0 Low < 0.56 Moderate 0.56–0.77 High ≥ 0.78 1
Study Details
ConditionSleep disturbance (mixed)
Clinical domainSleep & Insomnia
PopulationAdults ≥50 with SCD (N=53 completing 6 months)
Sample sizen = 226
Country / SettingUSA (Boston, MA and New York, NY)
Protocol clusterKY-GAD (Y-CBT)
Duration12 weeks (secondary analysis of Simon 2021 RCT; same KY intervention)
Control typeActive Control
ComparatorThree-arm: CBT vs KY vs Stress Education (from Simon 2021)
Outcomes & Effect Sizes
Primary outcomeSleep quality; mediators of treatment effects
Scales usedMultiple sleep scales; pilot data varies
Key resultYoga improves sleep across multiple conditions
Effect sizeMeta-synthesis: yoga improves sleep across conditions
Retention90% (204/226) - from Simon 2021 trial
SafetyGenerally safe
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Methodological Summary

Literature review + pilot; heterogeneous conditions; synthesis

KY Protocol Components

KY-GAD Protocol: 12-week Yoga-enhanced Cognitive Behavioral Therapy for Generalized Anxiety Disorder. STRUCTURE: Weekly 2-hour group classes + daily 20-min home practice KEY COMPONENTS: • Sessions 1-3: Sitali Breath, Basic Spinal Energy Series, Segmented Breath for Anxiety • Sessions 4-7: Alternate Nostril Breathing, Calmness and Anti-anxiety Series, Tattva Balance Beyond Stress & Duality • Sessions 8-12: Pauri Kriya (Sa-Ta-Na-Ma with segmented breathing), Stress Set for Adrenals and Kidneys, Shabad Kriya (sleep meditation) • Psychoeducation: Home practice fundamentals (weeks 1-3), meditation-in-action/mindfulness (4-6), self-efficacy/regulation (7-8), yogic lifestyle/habit maintenance (9-12) PROTOCOL DEVELOPMENT: Dr. Shanti Shanti Kaur Khalsa, Guru Ram Das Center for Mind-Body Medicine STUDY-SPECIFIC: Secondary analysis examining sleep outcomes; PSQI, insomnia severity; published Journal of Sleep Research.

Quality Item Scores — 1 fail · 2 partial · 3 pass · ★ critical
★A1
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A2
3
★B1
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★B2
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B3
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B4
2
★B5
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B6
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★B7
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B9
2
JP1
3
Critical fails0
Raw QI0.833
SAF0.946
Adjusted QI0.788
Final ratingHigh