Research
Energy balance
Timed food restriction or scheduled meal timing can serve as a potent non-photic zeitgeber to resynchronize peripheral clocks and improve activity rhythms in aged individuals, potentially mitigating age-associated pathologies.
Try eating your meals within a consistent daily window (e.g., 8-10 hours). This regularity acts as a strong time cue for your body's organs, helping to stabilize your sleep and metabolism, especially as you age.
ModerateConditionalMEDIUM confidence
Given that timed food delivery is a highly potent zeitgeber and does not exert its entrainment effects via the SCN, it is possible that timed food delivery could serve as an effective means of resynchronizing circadian timing in older individuals.
Why this rating
Evidence is primarily from rodent models and Drosophila; human data is less direct but implied.
Source
The aging clock: circadian rhythms and later life
Suzanne Hood et al. · Journal of Clinical Investigation · 2017
DOI 10.1172/jci90328
narrative_reviewCited 603×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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- Aging is associated with a progressive dampening of circadian rhythm amplitude and a phase advance in chronotype, leading to sleep fragmentation and increased susceptibility to metabolic and neurodegenerative diseases.Good
- Reduced sensitivity to light due to lens yellowing and reduced SCN neuronal coupling contributes to the desynchronization of peripheral clocks and weakened circadian output in older adults.Good
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