You have kept notes for six weeks. The appointment is fifteen minutes. Handing over a spreadsheet does not work — nobody can read forty rows in a consultation, and a chart without a sentence attached raises more questions than it answers.
What works is a paragraph, written by you, with the log available behind it.
The five-sentence summary
Write it the day before. The structure:
1. The period and how consistent it was.
Six weeks of daily notes, missing about five days.
2. The main finding, in numbers if you have them.
Afternoon clarity was below my usual range on fourteen of forty days, compared with two or three in a typical month before this started.
3. When it started or changed.
It began in the second week of August, fairly abruptly.
4. What it co-occurred with, stated as co-occurrence.
Twelve of the fourteen followed nights under six hours. There were four short nights where the next afternoon was fine. Alcohol was involved on five.
5. The limit, and the question.
I cannot separate sleep from workload, because the short nights were mostly the busy weeks. Is this worth looking into, and is there anything I should be tested for?
Five sentences. It contains a time course, a quantity, a comparison, exceptions, a confounder, an honest limit, and a question. Reading it takes forty seconds and it does the work of ten minutes of conversation.
Why the limit sentence helps you
It seems like it weakens the case. It does the opposite.
Stating what your data cannot show establishes that the rest of it can be taken at face value. It also pre-empts the objection a clinician would otherwise have to raise, and turns the exchange from "have you considered that it might be workload?" into "yes — shall we look at both?"
The other reason: a conclusion invites agreement or disagreement. An observation invites investigation. The second is a far better use of fifteen minutes.
What to hand over
The summary, printed or on screen. One paragraph.
One chart, at most, if you have something genuinely visual — a clear before-and-after, or a periodic pattern. Labelled, with the period and the number of observations on it.
The log, available but not offered. "I have the daily notes if you want any detail." Most of the time they will not be needed, and when a specific question comes up you can answer it precisely, which is the real value of having them.
What not to do
Do not present a diagnosis. "I have worked out that I have X" reshapes the conversation around confirming or refuting a label rather than examining what is happening. Say what you are worried about — briefly, once — and then describe the pattern.
Do not bring twelve variables. A record of mood, energy, sleep, steps, water, caffeine, screen time and six other things is not more convincing. It is harder to read and it invites the response that everything moves together, which it does.
Do not hide the exceptions. They will be asked about, and volunteering them is what makes the rest credible.
Do not lead with the chart. A chart with no sentence attached is a puzzle. The sentence is the finding; the chart supports it.
Do not apologise for it. A patient arriving with a clear account of six weeks is doing the single most useful thing available to them.
The version for a treatment review
Slightly different emphasis — adherence and the shape of the effect:
Three weeks since the change. Took it every day except four, all weekends. Mornings clearly better from about day four — I can start work, which I could not before. Afternoons unchanged, and there is a flat patch from about three. Headaches most days around four, mild. Sleep unchanged. The target we set was being able to start work in the mornings, and that has happened.
That contains adherence, onset, benefit, what did not change, a side effect with its timing, and an explicit check against the agreed target. It probably points at a specific adjustment — duration of action — without you having to propose one.
If your notes show nothing
Say so. It is a real finding and it is worth reporting.
Six weeks of notes and I cannot see a pattern. The bad days do not line up with sleep, with the week, with the dose, or with anything else I recorded.
That is genuinely informative. It rules some things out, it tells a clinician the fluctuation is not obviously driven by the usual suspects, and it is much better than an invented explanation. The temptation to produce a finding because you did the work is worth resisting.
The difference it makes
Without: "Things have been worse since the summer, I think. It is hard to say exactly. Some days are fine."
With: forty seconds, a specific time course, a quantified change, a named confounder, a stated limit, and a question.
Same six weeks. The first produces reassurance by default, because there is nothing specific to pursue. The second produces a plan.