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Longer sleep duration and shorter wake bouts are associated with more favorable adipokine profiles in older adults

In older adults from the Baltimore Longitudinal Study of Aging, longer average wake bout length was cross-sectionally associated with lower adiponectin and leptin levels. Longitudinally, longer total sleep time predicted increases in adiponectin, while short sleep duration (<6h) predicted declines. Associations were stronger in females and those with lower central obesity.

Last updated: Aug 30, 2026•0 RCTs•📖 Read as article →

Evidence Score

Evidence Score34/100
Human RCT☆☆☆☆☆
Meta-analysis☆☆☆☆☆
Mechanism★★★★★
Safety★★★★☆
Confidencelow

Study Evidence

Study 1. Associations of actigraphic sleep parameters with adipokines in older adults in the Baltimore longitudinal study of aging.

observational

Wei Z, Yue Y, Rabinowitz JA, Kaizi-Lutu M, Wu MN, Chia CW, Tanaka T, Simonsick EM, Ferrucci L, Spira AP · Sleep advances : a journal of the Sleep Research Society (2026)

Participants: N/A
Duration: Cross-sectional and longitudinal (follow-up not specified in abstract)
Intervention: Observational study of actigraphic sleep parameters (total sleep time, sleep onset latency, wake after sleep onset, sleep efficiency, average wake bout length)
Outcome: Adiponectin and leptin levels (fasting plasma)
Effect Size: AWBL-adiponectin: B=-2.02, 95% CI [-3.61, -0.42]; AWBL-leptin: B=-3.14, 95% CI [-5.25, -1.03]; TST-adiponectin longitudinal: B=0.26, 95% CI [0.081, 0.44]; short TST-adiponectin: B=-0.90, 95% CI [-1.72, -0.079]
Population: 350 older adults aged ≥60 years (mean 74.8 ± 8.3 years, 48.9% female, 19.4% black)

Result:

PubMed: 42662704DOI: 10.1093/sleepadvances/zpag082

Mechanism Graph

Sleep fragmentation (longer wake bouts) may disrupt metabolic regulation
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Altered sleep duration may affect adipokine secretion from adipose tissue
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Adipokines (adiponectin, leptin) influence insulin sensitivity and inflammation
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Result: Longer sleep and shorter wake bouts are linked to favorable adipokine profiles

Limitations

  • ⚠Observational design cannot establish causality
  • ⚠Single measurement of adipokines at baseline and follow-up may not capture long-term changes
  • ⚠Actigraphy may not accurately reflect sleep architecture
  • ⚠Potential residual confounding from unmeasured factors

Frequently Asked Questions

What is the main finding of this study?▼

Longer sleep duration and shorter wake bouts are associated with more favorable adipokine profiles (higher adiponectin, lower leptin) in older adults, suggesting a link between sleep and cardiometabolic health.

How was sleep measured?▼

Sleep was measured using wrist actigraphy over an average of 6.5 nights, providing parameters like total sleep time, wake after sleep onset, and average wake bout length.

Were there sex differences?▼

Yes, the association between longer wake bout length and lower adiponectin was significant in females but not in males.

What does short sleep duration do to adiponectin?▼

Short sleep duration (<6 hours) was linked to a subsequent decline in adiponectin levels over time.

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References

  1. 1.Wei Z, Yue Y, Rabinowitz JA, Kaizi-Lutu M, Wu MN, Chia CW, Tanaka T, Simonsick EM, Ferrucci L, Spira AP. "Associations of actigraphic sleep parameters with adipokines in older adults in the Baltimore longitudinal study of aging.." Sleep advances : a journal of the Sleep Research Society, 2026. PMID: 42662704 DOI: 10.1093/sleepadvances/zpag082
Disclaimer: This content is for educational purposes only and is not medical advice. Evidence scores reflect the quality and quantity of available research, not clinical recommendations. Always consult a healthcare professional before starting any supplement or intervention.