When upper-extremity recovery seems slower than expected, it is tempting to look only at the rehabilitation program.
Should there be more repetitions? A different exercise? More therapy?
Sometimes another question deserves attention:
How well is the person sleeping, and how fatigued are they during the day?
Sleep disturbance and fatigue are common after stroke. They can affect concentration, motivation, activity, and the ability to participate consistently in rehabilitation. Current stroke guidance therefore recommends that fatigue—and factors that may worsen it, including sleep disorders—be assessed rather than simply accepted as an unavoidable consequence of stroke.
Sleep Is Part of the Rehabilitation Picture
Sleep is not simply time when rehabilitation stops.
Normal sleep contributes to numerous biological processes involved in learning, memory, metabolic regulation, and brain function. Because rehabilitation requires repeatedly learning or relearning movements, researchers are increasingly interested in the relationship between sleep and neurological recovery after stroke.
A 2025 study examining sleep during acute inpatient stroke rehabilitation found substantial sleep disruption among participants and investigated relationships between multidimensional sleep health and rehabilitation outcomes. The findings add to growing evidence that sleep deserves attention during stroke rehabilitation, although researchers have not established that improving sleep by itself will directly produce greater motor recovery.
That distinction matters: sleep should be considered a potentially important component of overall rehabilitation health, not a proven stand-alone treatment for arm recovery.
Post-Stroke Fatigue Is More Than Being Tired
Post-stroke fatigue can be persistent and can interfere with everyday activities.
Someone may have enough arm movement to complete an exercise but lack the endurance to repeat it for a full session. Another person may perform well early in the morning but struggle considerably later in the day.
The 2023 National Clinical Guideline for Stroke recommends that healthcare professionals anticipate post-stroke fatigue, ask survivors or caregivers about its impact, and periodically reassess it. The guideline also recommends considering potentially contributing factors such as sleep disorders, depression, anxiety, and pain.
This means fatigue should not automatically be interpreted as poor motivation or inadequate effort.
Why Fatigue Can Complicate Recovery Tracking
Imagine that a stroke survivor performs an upper-extremity assessment twice.
During the first assessment, the person slept well and was tested in the morning. During the second, the person had poor sleep and was already exhausted from other activities.
If the second score is lower, does that necessarily mean motor recovery has deteriorated?
Not necessarily.
Clinical measurements represent performance at a particular moment. Fatigue, pain, attention, instructions, testing conditions, and other factors can potentially influence performance.
This is one reason longitudinal trends are more informative than isolated measurements.
FMA-UE Scores Should Be Viewed in Context
The Fugl-Meyer Assessment for the Upper Extremity (FMA-UE) is widely used to quantify post-stroke upper-extremity motor impairment.
It provides a standardized way to examine changes in motor performance across repeated assessments. However, an assessment score should not be interpreted in isolation from the circumstances surrounding the assessment.
Useful contextual information may include the person's recent health, fatigue, pain, participation in therapy, and other factors that could influence performance.
A 2025 systematic review and meta-analysis examining usual-care upper-extremity recovery also demonstrates how motor recovery varies substantially across individuals and over time.
Rather than asking whether a single score increased or decreased, clinicians can ask whether a consistent pattern is emerging across several measurements.
More Rehabilitation Is Not Always the Same as More Useful Rehabilitation
Contemporary stroke guidance emphasizes substantial rehabilitation activity. The UK and Ireland National Clinical Guideline for Stroke recommends at least three hours per day of therapist-delivered therapy for people with motor-recovery goals when appropriate, together with support to remain active for longer periods.
But rehabilitation dose cannot be considered independently from a person's ability to participate.
A survivor who is profoundly fatigued may not obtain the same quality of practice simply by extending a session.
Clinicians may therefore need to consider not only:
How much rehabilitation is being performed?
but also:
When can this individual participate most effectively?
Home Rehabilitation Makes This Especially Important
Home rehabilitation offers flexibility that traditional scheduled therapy does not always provide.
Instead of automatically completing every exercise at the same time each day, survivors and clinicians may be able to identify patterns in energy and participation.
For example, tracking may reveal that a person consistently completes upper-extremity exercises more successfully before lunch than in the evening.
That information does not prove that morning rehabilitation causes better neurological recovery. But it can help the rehabilitation team understand when meaningful practice is most feasible.
Digital and remote rehabilitation are becoming increasingly relevant in this context. A 2026 systematic review and meta-analysis of randomized trials found that remote rehabilitation can support upper-limb rehabilitation after stroke, reinforcing the potential role of technology in extending rehabilitation beyond the clinic.
What Should Be Tracked?
A rehabilitation record can become more informative when it captures context in addition to exercise completion.
Depending on clinical needs, survivors and caregivers might record:
Exercise sessions and approximate duration
Perceived fatigue before or after practice
Significant sleep difficulties
Pain that interferes with practice
Functional achievements
Standardized assessment results
Changes that should be discussed with the rehabilitation team
The purpose is not to turn every survivor into a researcher.
It is to prevent potentially useful information from disappearing between clinical visits.
Caregivers May Notice Patterns First
Caregivers often observe a survivor across many more hours than a clinician does.
They may notice that the affected arm is used more spontaneously after a good night's sleep, that exercises become difficult late in the afternoon, or that fatigue has suddenly increased.
These observations can be worth documenting and discussing with healthcare professionals.
Caregivers should not be expected to diagnose the cause of fatigue or sleep problems. Their role can simply be to notice meaningful changes and communicate them.
When Sleep Problems Need Clinical Attention
Persistent sleep problems should not automatically be treated as a rehabilitation scheduling issue.
Sleep-disordered breathing and other sleep disorders can occur after stroke and may require medical evaluation. Likewise, substantial new or worsening fatigue can have multiple causes.
The National Clinical Guideline for Stroke specifically recommends reviewing factors that may precipitate or exacerbate fatigue and addressing them appropriately.
Rehabilitation tracking can help identify a pattern, but it cannot determine the medical cause.
A Better Recovery Dashboard
Imagine a recovery dashboard containing only:
FMA-UE: 32 → 35 → 36
That information is useful.
Now imagine one that also shows rehabilitation participation, functional achievements, fatigue patterns, and relevant interruptions in therapy.
The second view provides considerably more context.
Future digital rehabilitation systems could help clinicians examine relationships among these variables over time. The goal should not be to claim that an algorithm knows why someone improved or declined. Instead, technology can organize longitudinal information so clinicians and patients can ask better questions.
Final Thoughts
Stroke recovery is more complicated than an exercise counter.
Upper-extremity rehabilitation depends on repeated practice and appropriate clinical guidance, but survivors perform that rehabilitation within the realities of sleep, fatigue, pain, daily responsibilities, and changing health.
Current clinical guidance recognizes post-stroke fatigue and sleep disorders as issues worthy of assessment. Emerging research is also examining how sleep health relates to rehabilitation outcomes.
For patients, caregivers, and clinicians, the practical message is straightforward:
When tracking recovery, record the conditions surrounding rehabilitation—not only the rehabilitation itself.
Sometimes understanding why today's performance was different can be as useful as recording the score.
References
Sindorf J, Campagnini S, O'Brien MK, et al. Sleep following A Stroke: Multimodal Evaluation of Sleep Health & Disruptions, and Impact on Recovery during Acute Inpatient Rehabilitation. Neurorehabilitation and Neural Repair. 2025;39(7):529–541.
Intercollegiate Stroke Working Party. National Clinical Guideline for Stroke: Rehabilitation and Recovery—Motor Recovery and Physical Effects of Stroke. 2023 edition, current online guideline.
Kolmos M, Munoz-Novoa M, Sunnerhagen KS, Alt Murphy M, Kruuse C. Upper-extremity motor recovery after stroke: A systematic review and meta-analysis of usual care in trials and observational studies. Journal of the Neurological Sciences. 2025;468:123341.
Shen Y, Gao T, Dai T, Gao J, Feng X. Efficacy of remote rehabilitation therapy for upper limb dysfunction following stroke: a systematic review and meta-analysis of randomised controlled clinical trials. BMC Neurology. Published June 20, 2026.