Physical activity may promote sleep, but few studies examined whether vigorous exercise is associated with difficulty falling asleep or waking in the middle of the night. This study examined the relationship between these variables. The Adventist Health Study-2 (AHS-2) questionnaireline was completed by approximately 97000 churchgoers in North America to investigate relationships between lifestyle, including exercise habits, and chronic disease. A randomly selected subset participated in the Biopsychosocial Religion and Health Study (BRHS), including about 11 000 respondents who answered questions about psychosocial and religious issues, including sleep patterns. After excluding participants with chronic disease, 3960 remained: 2502 women (1502 Whites and 1000 Blacks) and 1458 men (1038 Whites and 420 Blacks). Logistic regressions were adjusted for age, gender, race, body mass index (BMI), diet, education, alcohol, caffeinated-beverage use, hours of sleep, and napping. Increased frequency of vigorous physical activity was protective against difficulty falling asleep (OR = 0.97; 95% CI = 0.94-0.98; P = 0.03). Higher odds of difficulty falling asleep were observed among female participants, increasing age, weekday napping, and sleeping 9 hours or more per night. Vigorous physical activity was associated with reduced difficulty falling asleepline but showed no relation to waking during the night.
Michael Paalani, Drph, Daijah Rdn et al.· American Journal of Lifestyl...· 0 citations
Introduction: Subjective health predicts mortality in older adults. We examined associations of vegetarian diet, adherence duration, and a Healthy Lifestyle Index with quality of life (QoL) and self-rated health (SRH) in adults ≥75 years. Methods: We analyzed cross-sectional data from 421 Loma Linda Longevity Study participants using ordinal logistic regression. Three hierarchical models were estimated: M1 (diet + sociodemographic covariates), M2 (M1 + diet duration + Healthy Lifestyle Index), and M3 (final fully adjusted model: M2 + BMI + multimorbidity). Moderation by adherence duration (<10 vs ≥ 10 years) was tested via interaction and stratified analyses. Results: The Healthy Lifestyle Index showed strong dose-response (highest vs lowest quartile: QoL aOR = 7.24, 95% CI: 3.31-15.85; SRH aOR = 4.69, 95% CI: 2.26-9.72; both P for trend <0.001). Among long-term adherents (≥10 years), vegetarian diet was significantly associated with better SRH (aOR = 2.11, 95% CI: 1.11-4.00, P = 0.022). In the fully adjusted model, the vegetarian association attenuated to borderline significance, with multimorbidity (for both outcomes) and BMI (for SRH only) emerging as stronger independent predictors. Conclusions: An integrated healthy lifestyle shows a robust dose-response with subjective health. Long-term vegetarian adherence is independently associated with better self-rated health in adults ≥75 years.
Luiz Fernando Sella, Alaa Alabadi-Bierman, Michael Paalani et al.· American Journal of Lifestyl...· 0 citations
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