You get through a hard week, deadlines and all, and then Saturday morning brings a migraine. Or the first day of a holiday, or the evening after a big exam or presentation. Many people with migraine know this pattern well, and it can feel unfair. Doctors and researchers call it a "let-down" migraine, or let-down headache. The idea is that the attack comes after stress eases, not while it is at its peak. The research on it is small but interesting, and weekend attacks usually have more than one cause. Knowing the likely causes can help you work out which ones apply to you.
The short answer
Stress is the trigger people with migraine report most often. For some people, the risky moment is when stress drops, not when it is high. Weekends also change other things at once: sleep times, caffeine, meals and alcohol. Any of these can play a part. A small 2014 diary study found that attacks were more likely in the hours after a fall in stress. Older studies of weekend attacks point to caffeine and lie-ins as well. Your own pattern is likely to be a mix, and a simple diary is the best way to untangle it.
What is a let-down migraine?
A let-down migraine is an attack that starts once a stressful period is over. Typical times are the weekend, the first day or two of a holiday, or the day after a big event. It is not a separate diagnosis. The international headache classification (ICHD-3) does not list it as its own headache type. It is a way of describing when an ordinary migraine attack happens.
Stress is already well known as a trigger. In a 2007 study of 1,207 people with migraine, stress was the most commonly reported trigger, named by 79.7%. What the let-down idea adds is timing. The change from stressed to relaxed may matter as much as the stress itself.
What the research says
The 2014 let-down study
The best-known study here was published in Neurology in 2014. Seventeen people with migraine kept an electronic diary twice a day for three months, rating their stress and recording their attacks. That added up to 2,011 diary entries and 110 attacks. The overall level of stress was not generally linked to attacks. But when stress fell from one evening to the next, the chance of a migraine starting over the following 6 to 18 hours went up. The odds were roughly 1.5 to 1.9 times higher.
That is a striking finding, but it comes from a small group at one specialist headache centre, so it needs confirming in larger studies. The authors suggested that a drop in stress might be an early warning sign that an attack is coming, rather than only a cause. That fits with what we know about the early, or prodrome, phase of migraine. Changes in mood and energy can start hours before the pain does.
Why might relaxing set off an attack?
Nobody knows for certain. One theory involves stress hormones such as cortisol, which rise during demanding periods and fall afterwards. The migraine brain seems to be sensitive to change in general, so a sudden shift in either direction might be enough to tip it over. For now this is a theory, not a proven mechanism.
Other reasons migraines hit at the weekend
Stress is only one thing that changes on a Saturday. Several other well-known triggers tend to shift at the same time.
- Caffeine timing. If you drink coffee at 7am on workdays and not until 11am at the weekend, your body may notice the gap. Caffeine withdrawal headache is recognised in ICHD-3. A 1992 study of 151 headache clinic patients found that 21.9% reported weekend attacks. Among people who had both a high daily caffeine intake and much later waking at weekends, 69% had weekend headaches. In people with only one of those habits, the figure was 4%.
- Lie-ins and late nights. Changes to your sleep pattern are a common trigger. In the 2007 trigger study, 49.8% named disturbed sleep and 32% named sleeping late. A weekend lie-in also often means a later first coffee and a later breakfast, so these factors tend to come together.
- Later or missed meals. Not eating was named by 57.3% of people in the 2007 study. A slow weekend morning can easily turn into a missed breakfast.
- Alcohol. Friday and Saturday nights are when many people drink more. In the 2007 trigger study, 37.8% named alcohol, and the NHS advises limiting how much alcohol you drink.
The weekend picture is not the same for everyone. A 1999 Italian study of 50 headache clinic patients found that, in an eight-week diary, attacks were more common at weekends only among the men. Among the women who reported weekend headache, weekends seemed to bring extra stress and frustration at home rather than relief. That study found no change in coffee, alcohol or smoking across the week. For some people the weekend is not a let-down at all, just a different kind of busy.
What you can try
None of these is guaranteed, but they are sensible, low-risk steps that many people find helpful.
- Keep your wake time steady. Try to get up within an hour or so of your usual weekday time, even if you rest later in the day.
- Keep caffeine consistent. Have your usual amount at roughly your usual time, or cut down gradually across the whole week rather than only at weekends.
- Eat at regular times. Do not let a slow morning turn into a skipped breakfast.
- Ease out of busy periods. Rather than going straight from full speed to a stop, some people find it helps to wind down gradually, for example with a short walk or some gentle activity on the first day off.
- Plan for known crunch points. If you know a deadline or event is coming, think about the day after it too.
- Talk to your GP. If attacks happen often, or regularly ruin your weekends and holidays, ask about preventive options. The NHS advises seeing a GP if you get migraines often or they are severe.
How to tell if let-down is your pattern
Memory is not good at this. A bad Saturday stands out, while the weekends you felt fine are quickly forgotten. You also cannot tell from memory alone whether it was the end of a stressful week, the lie-in or the late coffee. The most reliable way is to note, as they happen, the days when a stressful stretch ends, alongside your attacks, sleep and caffeine. After a few weeks or months you can see whether attacks really do follow those days more often than other days.
How MigraineMe helps with this
When you set up MigraineMe, you are asked about your emotional patterns. If stress letting up sounds familiar, you can choose Let-down as one of your triggers.
Let-down is something you log yourself. The app does not detect it automatically. When a stressful stretch ends, such as the first day of a holiday, the day after a deadline or a Friday evening, add Let-down in the Log wizard or with quick-log. You can log related factors by hand in the same way, such as skipped meals.
Other weekend factors can come in on their own. Sleep can sync from your wearable, and food and drink, including caffeine, can come in automatically from your favourite food tracker app.
Once you have logged a few migraines and some migraine-free days, the Patterns view in Insights can show Let-down if it turns up more often around your attacks than on days without one, or how many of your attacks it came before. If Let-down does not show up there, you can look at your sleep or caffeine instead.
Logging, including quick-log, is free. The Patterns view in Insights is part of Premium, which comes with a 14-day free trial. MigraineMe is a tracking tool, so take what you find to your GP or headache specialist.
Sources
- Lipton RB, Buse DC, Hall CB, et al. (2014). Reduction in perceived stress as a migraine trigger: testing the "let-down headache" hypothesis. Neurology.
- Kelman L (2007). The triggers or precipitants of the acute migraine attack. Cephalalgia.
- Couturier EG, Hering R, Steiner TJ (1992). Weekend attacks in migraine patients: caused by caffeine withdrawal? Cephalalgia.
- Torelli P, Cologno D, Manzoni GC (1999). Weekend headache: a possible role of work and life-style. Headache.
- International Headache Society (2018). The International Classification of Headache Disorders, 3rd edition (ICHD-3): Migraine. ICHD-3.
- NHS (n.d.). Migraine. NHS website.