Investigators from Brigham and Women's Hospital and
Beth Israel Deaconess Medical Center have conducted the largest prospective
study using objective measures of sleep to date to evaluate the relationship
between sleep and migraine headaches. They found that sleep
fragmentation predicted migraine risk a day later while sleep duration and low
sleep quality were not associated with risk of migraines.
team's findings generally support patients' reports of sleep disturbance as a
trigger for migraines. In both diary assessments and actigraphy measurements,
the team observed that sleep fragmentation -- time spent in bed, but not asleep
-- was linked to migraine onset not on the next day but rather the day after
that. The team did not find that sleep duration or self-reported low sleep
quality was associated with higher risk of migraine over the next day or day
Bertisch, MD, MPH,
corresponding study author, and colleagues conducted a prospective cohort
study of 98 adults with episodic migraines, who reported at least two
headaches, but had fewer than 15 days each month with a headache. The
participants completed electronic diaries twice a day,...
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