Pattern literacy
7 common symptom patterns and what they usually mean
Most recurring symptoms fall into one of seven shapes: morning-loaded, evening-loaded, post-exertion, post-meal-window, sleep-debt, weekly-cycle, or stress-stacked. Knowing the shape tells you what to log next.
Why the shape of a pattern matters
Two people can both say "I'm tired all the time" and have completely different patterns. One may always crash at 3pm; the other may only feel it on Mondays after weekends out. The shape of the pattern is the clue — it tells you what variable to look at next.
The seven patterns
These show up over and over in 14-day tracking. None of them are diagnoses — they're shapes in your own data. Match the shape and the next experiment becomes obvious.
- Morning-loaded: symptom is worst in the first 2 hours and improves by midday. Look at sleep quality and pre-bed routines.
- Evening-loaded: symptom builds across the day and peaks after work. Look at cognitive load, screen time, and meal timing.
- Post-exertion: symptom appears 24–72 hours after effort, not on the day. Track an effort score alongside the symptom.
- Post-meal window: symptom appears 30–120 minutes after eating, regardless of what was eaten. Look at meal timing more than meal content.
- Sleep-debt: symptom is fine on rested days and severe after short sleep. The cleanest single-variable pattern there is.
- Weekly cycle: symptom clusters on specific weekdays. Look at what your week structurally repeats — meetings, commutes, social load.
- Stress-stacked: no single trigger, but symptom appears whenever 3+ small stressors stack on the same day. Often missed by people looking for one cause.
How to match your own data to a shape
On day 14, line up every day rated 4 or 5 and ask which of the seven shapes fits best. You don't need a perfect match — close is enough to design the follow-up week. For the underlying method, see [what is a symptom pattern](resource:what-is-a-symptom-pattern).
What to do once you've matched a shape
Run a focused 7-day follow-up watching only the variable that shape suggests. The full method is in [how to find your personal triggers](resource:how-to-find-your-personal-triggers), and [trigger or coincidence](resource:trigger-vs-coincidence) covers how to know when you've actually confirmed it.
Key takeaways
- Most recurring symptoms fall into one of seven recognisable shapes.
- The shape tells you what variable to test next.
- Stress-stacked patterns are the most commonly missed.
- These are shapes in your data, not diagnoses.
Frequently asked questions
What if my pattern doesn't fit any of these?
Extend tracking by another 14 days before concluding there's no pattern. Some patterns only show up across a longer window.
Can a symptom fit two shapes at once?
Yes — and that's useful information. Pick the stronger one for your follow-up week, then test the second.
Does Your Body Signal detect these shapes for me?
Yes — the 14-day insight engine highlights the shape that best fits your data and tells you how confident the signal is.
Is this medical advice?
No. These are observational shapes in your own data — they do not diagnose or replace medical care.