What is a let-down migraine?
Last updated September 3, 2026.
A let-down migraine is triggered by stress dropping: after a deadline, at the start of vacation, or on weekend mornings, with attack risk nearly five times higher in the first 6 hours after stress declines. That finding comes from prospective diary research, and a mood shift from tense to relaxed raised odds by about 20% in the same work. The theory is that sustained stress holds stress hormones and sympathetic activity high, and the sudden comedown is what destabilizes the migraine-prone brain. Prevention is about flattening the drop, not avoiding rest. Hold sleep and wake times constant through the week and weekend, eat on schedule, keep caffeine intake level, and decompress gradually with short relaxation practices during the stressful period itself instead of crashing afterward. If this is your pattern, say so explicitly to your clinician: predictable post-stress attacks change how prevention and acute medication timing get planned.
What to do
- Keep sleep fixed: weekend sleep-ins are a classic let-down trigger.
- Hold caffeine steady: a delayed Saturday coffee adds a second trigger.
- Ramp down, do not cliff-drop: short relaxation breaks during stress smooth the transition.
- Do not skip meals: regular eating steadies the other big variable.
- Name the pattern: tell your clinician your attacks follow stress release; it changes the plan.
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