There is an order to this, and getting the order right is most of the work.
When someone comes in tired, there are usually four or five things worth addressing, and it is tempting to start all of them at once. That almost never works — partly because it is too much to sustain, and mostly because when five things change simultaneously and you feel better, you have learned nothing about which one did it. So we sequence, starting from what we look for before treating anything.
Here is the sequence we use and the reasoning behind each step.
First: is sleep being interrupted, and by what?
Before anything is added, we want to know whether the night is intact.
Three things break it most often. Breathing — snoring, witnessed pauses, waking with a dry mouth or a headache, or daytime sleepiness that is out of proportion to hours in bed. Pain — a shoulder, knee, neck, hip or heel that wakes you when you turn over. And the schedule — shift work, a wandering bedtime, evening alcohol, or a long afternoon nap that makes the night shallower.
Each of those has a different fix, and none of them responds to the others’ fix. That is why this step comes before everything.
Where we suspect a breathing problem, that gets investigated properly, and it takes priority over anything we would do here. Untreated sleep apnoea makes the rest of a fatigue plan close to pointless, and it is far too common to leave as an assumption.
Second: subtract before adding
We go through every medication, supplement and over-the-counter product, with doses and timing.
This step is unglamorous and it is frequently the highest-yield thing we do. Sedating antihistamines, beta blockers, opioids, gabapentinoids, some blood pressure medications, several antidepressants and most over-the-counter sleep aids all produce daytime tiredness. People are often taking more than one, sometimes for reasons that no longer apply, and the connection to how they feel has usually never been raised.
Nothing gets stopped unilaterally — changes go through whoever prescribed it. But knowing that two of your four daily medications are plausible contributors reframes the whole conversation.
Third: the short blood panel, once
Full blood count, ferritin, thyroid function, HbA1c or fasting glucose, kidney and liver function, calcium, B12 and vitamin D, with coeliac serology or inflammatory markers where the history warrants it.
Once, properly, rather than repeatedly. If it is normal, the useful conclusion is not “nothing is wrong” — it is that the answer lies in sleep, medication, pain, activity or mood, and that repeating the same panel in three months will not find it.
Fourth: pain, where pain is the thing waking you
This is where a course of photobiomodulation can earn its place in a fatigue plan, and the reasoning is narrow and worth stating exactly.
If a painful joint or tendon is waking you several times a night, that is a sleep problem with a musculoskeletal cause, and the useful target is the pain. The pooled randomised evidence we rely on is pain evidence in specific regions: in neck pain, pain reduction that persisted at follow-ups up to 22 weeks after treatment finished; in shoulder tendinopathy, 20.41mm on a 100mm scale as a standalone treatment and 16.00mm alongside exercise; in knee osteoarthritis, 18.71mm beyond placebo at the doses the World Association for Laser Therapy recommends, with the effect peaking 2 to 4 weeks after the course ended at 31.87mm.
The precision that belongs with that: those are pain outcomes from pain trials. We are not presenting them as sleep or fatigue outcomes, and we do not claim that treating a joint treats fatigue. The logic is that less pain at night means fewer awakenings, and that is a reasonable clinical inference rather than a trial result. It is an adjunct, used alongside the sleep and activity work rather than in place of it, and we are not citing a device clearance for this use.
Fifth: activity, at the right size
Only once sleep is being protected and the obvious subtractions have been made does activity become worth structuring, because activity prescribed on top of an interrupted night tends to fail and then get blamed on the patient.
The branch point matters. If effort does not reliably make you worse a day or two later, a slow graded increase from your genuine current baseline — not from where you think it should be — tends to improve energy over several weeks. If effort does reliably make you worse a day or two later, the approach is pacing within a sustainable envelope and building the envelope slowly, not pushing through it. These are different plans and choosing the wrong one costs months.
Sixth: the measurement, which runs throughout
We write down a baseline at the first visit and repeat the same measures at every visit after it.
Not a general impression — specific items. Hours slept and number of awakenings. A fatigue score. What time of day is worst. And the list of things you had stopped doing, revisited to see whether any of them have come back, which is usually the measure that matters most to the person in front of us.
Where we run a course of photobiomodulation we also record the parameters every visit: wavelength, output, joules per treatment spot, number of spots and session number. In the knee data the dose per spot is what separates the trials that worked from the trials that barely did, so the parameters belong in the notes rather than in someone’s memory.
And the part that makes it a plan
At the start, we say what would count as this not working and when we will check. If the numbers have not moved by the review point, we say so and stop rather than selling another block of sessions.
That applies to all of it, not just to the treatments we provide. A fatigue plan with no review date is not a plan.
Questions worth asking, here or anywhere else
What do you think is driving my fatigue, and what supports that? Has my sleep been screened for apnoea? Which of my medications could be contributing? What are we treating first, and why that one? What are we measuring, and when do we check it? At what point do we conclude this is not working?
A clinic that can answer those is working from a sequence. One that starts with a treatment has skipped to step four.
This article is general education, not medical advice, and it is not a substitute for evaluation by a qualified clinician. It does not establish a physician–patient relationship. Individual results vary, and the studies described report group averages rather than what any one person should expect. Treatments discussed may not be FDA-cleared or approved for the conditions mentioned; where that is the case it is stated in the text. Talk to your own physician before starting, stopping or changing any treatment.
Chow 2009 — PMID 19913903 · Haslerud 2015 — PMID 25450903 · Stausholm 2019 — PMID 31662383
