Chronotype
A familiar starting point. A wider world of research.
Follow chronotype through source-linked records, connected to Sleep and Cognitive ageing. Explore the connections, then open the original evidence.
Explore the evidenceUnexpected company.
A selection of other objects mentioned in these records. Inspect the shared source to see the connection; a shared mention does not mean the same effect.
sleep
Inspect supporting records 18circadian rhythm
Inspect supporting records 12sleep quality
Inspect supporting records 6insomnia
Inspect supporting records 3sleep hygiene
Inspect supporting records 3cardiorespiratory fitness
Inspect supporting records 2More connections in this selection
Circadian rhythms
Inspect supporting records 2sleep duration
Inspect supporting records 2social jetlag
Inspect supporting records 2body fat
Inspect supporting records 1body mass index
Inspect supporting records 1caffeine
Inspect supporting records 1caloric restriction
Inspect supporting records 1exercise
Inspect supporting records 1Frailty
Inspect supporting records 1intermittent fasting
Inspect supporting records 1physical activity
Inspect supporting records 1sleep apnea
Inspect supporting records 1Where the research leads.
Published topic links attached to the selected records. Each dossier opens a wider field, including its own research ecosystem.
- SleepRecords in this selection 17
- Cognitive ageingRecords in this selection 3
- ExerciseRecords in this selection 3
- Aerobic fitness and VO2 maxRecords in this selection 2
- Epigenetic alterationsRecords in this selection 2
- Cardiovascular ageingRecords in this selection 1
- Circadian rhythmsRecords in this selection 1
- Epigenetic clocksRecords in this selection 1
- FrailtyRecords in this selection 1
- Metabolomic ageingRecords in this selection 1
Meet the wider research ecosystem.
Follow a connected field into its universities, funding and patent activity.
University, grant and patent activity in a topic dossier concerns that wider field; it is not a chronotype-specific total.
Different records. Different questions.
This is the composition of the initial 24-record selection, not the entire collection. Open a group to inspect its supporting records. Publication types and existing automated evidence labels describe records, not their quality or conclusions. Unclassified records remain in “Other research records”.
News and commentary are shown separately from study and review records.
The recent trail.
Recent sources in this selection: publication months for publications, registry update months for registrations.
Good questions to bring along.
What can I learn about chronotype here?
See which permitted records mention this object, follow the topics and other objects connected through those records, and inspect the sources. Whole foods, preparations, extracts and isolated compounds keep separate identities.
Do these records establish a benefit?
A mention is a starting point for discovery. Open each original source to assess the study design, population, findings and limitations. A trial registration describes planned or registered work; it is not itself a result.
How can I compare related objects?
Open a connected object and compare the actual records, preparations and research settings. “Mentioned in the same record” explains a navigation link; it does not establish equivalence, composition or causality.
How complete is this picture?
This is the current eligible selection from the immortal.life index; use Show more records to continue browsing. Missing records or classifications do not prove that research is absent. Source permissions and corrections can change the selection.
Open the evidence.
Showing the records supporting this selection. Browse the full selection
Chronotype, sleep quality, and functional health in active older adults: A cross-sectional study.
Quantitative Study of Indoor Light and Sleep Health in Elderly.
Genetic evidence for the associations of sleep patterns with cognitive function in older adults: insights from polygenic scores in the Taiwan biobank.
Social jetlag decreases across the lifespan: A prospective big data analysis of objective sleep metrics.
Eveningness in Middle-Aged and Older Adults: Associations With Sleep, Internalising Symptoms, and Alertness.
Wakefulness after sleep offset and the elevated risk of mortality in older adults with evening preferences: A community-based 5-year longitudinal study.
Relationship of sleep quality, chronotype, and obstructive sleep apnea with migraine in the elderly population.
Patterns in behavioural sleep variables and social jetlag in elderly people of Western Odisha.
Nonlinear associations between insomnia symptoms and circadian preferences in the general population: Symptom-specific and lifespan differences in men and women.
Association versus prediction and open question on what sleep-wake factors to target for dementia prevention: letter to the editor regarding "Earlier chronotype in midlife as a predictor of accelerated brain aging: a population-based longitudinal cohort study" by Kim et al. (https://doi.org/10.1093/sleep/zsad108).
In response to the Letter to the Editor regarding "Earlier chronotype in midlife as a predictor of accelerated brain aging: a population-based longitudinal cohort study.".
The Interactive Role of Sleep and Circadian Rhythms in Episodic Memory in Older Adults.
Chronotype is Associated with Sleep Quality in Older Adults.
Association of Sleep and Physical Activity Among Older Adults and the Moderation of Chronotype.
Earlier chronotype in midlife as a predictor of accelerated brain aging: a population-based longitudinal cohort study.
Sex differences in deterioration of sleep properties associated with aging: a 12-year longitudinal cohort study.
Association of chronotype as assessed by the midpoint of sleep with the dietary intake and health-related quality of life for elderly Japanese women.
The effect of circadian preferences on insomnia severity and depressive symptoms via sleep hygiene in older adults with depression and healthy controls.
About this collection: scope and limitations
Practice or procedure · Practices and procedures can differ by protocol and setting. An observed association is not automatically an intervention effect or a longevity benefit.
Questions to check in the original studies
- What activity or procedure did the original source investigate?
- Which population, setting, comparison and follow-up were described?
- Was the activity studied as an intervention or recorded as an observational exposure?
What the displayed selection contains
24 research metadata records and 0 trial registrations were returned in the initial selection. More records can be loaded above. This is not a complete worldwide evidence review. These counts do not measure benefit, safety or evidence certainty.
Interpretation remains unassessed
Open the original sources to assess study design, findings and applicability. A trial registration is not a result; a metadata mention is not a scientific conclusion. Missing matches do not establish that research is absent.
Index snapshot: . This is the index projection timestamp, not the date of a discovery or expert review.
Cite this research-navigation view
immortal.life. chronotype: research mentions. https://www.immortal.life/explore/chronotype. Projection snapshot: 2026-10-15T20:34:00.311Z.
Include your access date. This citation identifies an automated navigation view, not a clinical conclusion. The live selection can change with corrections and source permissions.
Matching, coverage and vocabulary provenance
This automated index uses permitted minimal bibliographic metadata and checks current source and record eligibility. Literal title or controlled-term matches are discovery relationships, not scientific findings. Retained metadata coverage is bounded; historical completeness of external sources is not certified.
Foods, preparations, extracts and compounds retain distinct identities. Ambiguous labels require a choice. Source AI processing, model training and raw redistribution are disabled for this search.
Vocabulary attribution: FoodOn contributors, CC BY 4.0, filtered own-namespace labels/IDs and references; courtesy of the U.S. National Library of Medicine, 2026 MeSH vocabulary terms, filtered labels/entry terms; USDA FoodData Central, Foundation Foods April 2026, CC0, filtered identifiers/descriptions. No source endorsement. Navigation spelling/plural changes are separately attributed.
