Inter- and intra-individual variability in daily resting heart rate and its associations with age, sex, sleep, BMI, and time of year: Retrospective, longitudinal cohort study of 92,457 adults https://pubmed.ncbi.nlm.nih.gov/32023264/
Meta-Analysis of Quantitative Sleep Parameters From Childhood to Old Age in Healthy Individuals: Developing Normative Sleep Values Across the Human Lifespan https://pubmed.ncbi.nlm.nih.gov/15586779/
Conquer Aging Or Die Trying Merch! https://my-store-d4e7df.creator-spring.com/ ——————————————————————————————————————————-The Excel file to calculate Levine’s Biological Age is embedded in this link from my website:
Sex- and age-specific variations, temporal trends and metabolic determinants of serum uric acid concentrations in a large population-based Austrian cohort https://pubmed.ncbi.nlm.nih.gov/32371883/