Migraine attacks showed a consistent low point with few occurrences late at night, but a broad peak extending from late morning to early evening.
Notes on verification
Confirmed by multiple independent sources reporting on the same peer-reviewed meta-analysis (Burish et al., Neurology 2023), including the official AAN press release with near-verbatim wording. [tier=unverified indep_score=0.3 clusters=3 claim_tier=notable] [rescored 2026-09-15: curated origin-host map (PR #65); unclassified hosts no longer scored as aggregators]
Sources
- Migraine and Cluster Headaches are Linked to the Body's Internal ... (seed:health_and_medicine)
- https://www.aan.com/PressRoom/Home/PressRelease/5067 (corroboration)
- https://www.psychiatrist.com/news/circadian-rhythms-bring-on-headache-blues-study-finds/ (corroboration)
- https://www.emjreviews.com/neurology/news/are-migraines-and-cluster-headaches-linked-to-circadian-rhythm/ (corroboration)