Tag
Circadian rhythm
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Morning people had more heart attacks, not fewer
In 4,578 adults from the Sleep Heart Health Study followed for a decade, both morning and evening types had higher rates of heart attack than the people in between. The pattern sat almost entirely in those with sleep apnea.
Aug 14, 2026
Late dinners and skipped breakfasts tracked dementia risk
A Japanese cohort of 283,166 people aged around 73 linked two ordinary habits to later dementia: eating within two hours of bed, and missing breakfast. Both associations were modest, and neither was tested as a cause.
Aug 9, 2026
Melatonin: uses, evidence, dosing and safety
Melatonin shifts the body clock rather than causing sleep, which is why it works well for jet lag and badly for ordinary insomnia. In adults it cuts time-to-sleep by about five minutes.
Aug 5, 2026
Irregular meal times tracked anxiety. Irregular sleep did not.
In 2,945 French-speaking adults, the gap between weekday and weekend eating schedules was linked to anxiety, depression and insomnia. Sleep timing showed nothing.
Aug 2, 2026