Wired, Tired (Exhausted), and Unmotivated! And How to Heal!

Chronic pain and fatigue often feel like problems in the muscles, joints, or energy supply. But for many people, the deeper driver is the body’s stress-response system getting stuck in the wrong gear.

The hypothalamic-pituitary-adrenal axis, or HPA axis, is the communication loop between the brain and adrenal glands. It helps regulate cortisol, inflammation, sleep-wake rhythm, blood pressure, blood sugar, immune activity, and the way the nervous system responds to threat.

When that system becomes dysregulated, the body may start reacting as if ordinary life is a stressor. Pain feels louder. Rest stops feeling restorative. Sleep becomes fragile. Brain fog sets in. Recovery from exertion takes longer than it should. As a past sufferer, I still remember spilling milk on the counter one day. I reacted as if the whole world were coming to an end! I threw the milk and screamed like a little child! It was then I knew I needed help.

This article is informational only and is not a substitute for medical care. Chronic pain and fatigue deserve a proper evaluation, especially when symptoms are new, worsening, or interfering with daily life.

Chronic fatigue often reflects a whole-body stress response, not a lack of willpower.

How chronic stress and HPA axis dysfunction can drive pain and fatigue

The HPA axis is designed to help the body respond to stress. When the brain senses a challenge, the hypothalamus signals the pituitary gland, which then signals the adrenal glands to release cortisol and other stress-related hormones.

In short bursts, this is useful. Cortisol helps mobilize energy, sharpen attention, control inflammation, and keep blood pressure stable.

The trouble starts when the system is pushed too hard for too long, or when it fails to return to baseline after stress has passed. This can happen after prolonged psychological stress, trauma, serious infection, surgery, concussion, sleep deprivation, autoimmune illness, overtraining, or years of unmanaged pain.

Over time, the brain may become more sensitive to threat signals. The nervous system can shift toward high alert, even when there is no clear danger. This pattern can affect several systems at once.

Pain amplification

The brain and spinal cord can become more reactive to pain signals. This is often called central sensitization. A stimulus that used to feel mild may feel intense. Old injuries may ache. Light touch, temperature shifts, sound, or activity may become harder to tolerate.

Fatigue and poor recovery

Cortisol rhythm normally follows a daily pattern. It rises in the morning and gradually falls through the day. When this rhythm becomes flattened, delayed, or erratic, energy can feel unpredictable. Some people feel wired at night and exhausted in the morning. Others crash after normal activity.

Inflammation and immune changes

The HPA axis helps coordinate immune activity. Dysregulation may contribute to low-grade inflammation or unusual immune responses. This does not mean cortisol is always “too high” or “too low.” The pattern may be more complex, with timing and tissue sensitivity mattering as much as the level itself.

Brain changes related to chronic stress

Long-term stress physiology can affect areas involved in memory, attention, emotional regulation, and pain control. The hippocampus, prefrontal cortex, and amygdala are especially relevant.

That can show up as:

• Brain fog

• Poor concentration

• Short-term memory problems

• Heightened anxiety or irritability

• Feeling overwhelmed by normal tasks

• Stronger pain after stress

• Difficulty calming down after conflict or exertion

  
  

The good news is that the brain remains adaptable. With the right treatment plan, many of these patterns can improve.

Common symptoms of HPA axis dysregulation

Symptoms vary because the HPA axis touches many systems. Some people look “fine” on routine tests but still feel profoundly unwell. Others have clear endocrine, inflammatory, sleep, or neurologic findings that need targeted care.

Common symptoms include:

• Persistent fatigue that does not improve with normal rest

• Post-exertional crashes after physical, mental, or emotional effort

• Unrefreshing sleep

• Trouble falling asleep or waking around 2 to 4 a.m.

• Morning exhaustion

• Feeling wired but tired

• Lightheadedness when standing

• Salt cravings or shakiness between meals

• Increased pain sensitivity

• Muscle aches, joint pain, headaches, or burning pain

• Digestive changes, including nausea, bloating, diarrhea, or constipation

• Brain fog and slowed thinking

• Anxiety, irritability, or emotional reactivity

• Low stress tolerance

• Sensitivity to light, sound, temperature, or busy environments

• Frequent infections or slow recovery from illness

• Menstrual cycle changes in people who menstruate

• Reduced exercise tolerance

  
  

These symptoms can overlap with many conditions, including fibromyalgia, myalgic encephalomyelitis/chronic fatigue syndrome, long COVID, postural orthostatic tachycardia syndrome, thyroid disease, autoimmune disease, anemia, depression, sleep apnea, and medication side effects.

That overlap is why diagnosis should not stop at a single label.

Tracking patterns can help connect pain, fatigue, sleep, stress, and recovery.

How HPA axis problems are diagnosed

There is no single test that proves every form of HPA axis dysfunction. Diagnosis usually starts with a careful history, a physical exam, and testing that rules out other causes of pain and fatigue.

A good evaluation looks for patterns.

A detailed health history matters

Clinicians often ask about:

• When symptoms began

• Whether symptoms followed an infection, injury, trauma, pregnancy, surgery, concussion, major stress, or medication change

• Sleep timing and sleep quality

• Pain patterns and triggers

• Energy crashes after exertion

• Dizziness, palpitations, or faintness

• Weight changes

• Mood changes

• Digestive symptoms

• Hormonal symptoms

• Current medications and supplements

• Caffeine, alcohol, and substance use

• Past steroid use, including oral, inhaled, injected, or topical steroids

  
  

This history helps separate primary endocrine disorders from stress-system dysregulation, nervous system sensitization, sleep disorders, and inflammatory illness.

Lab tests may rule out common mimics

Basic testing often includes:

Test category	Why it may help
Complete blood count	Screens for anemia, infection clues, and blood cell abnormalities
Comprehensive metabolic panel	Checks liver, kidney, electrolytes, glucose, and protein status
Thyroid panel	Looks for hypothyroidism or hyperthyroidism
Iron studies and ferritin	Screens for iron deficiency, which can worsen fatigue and restless sleep
B12, folate, and vitamin D	Identifies deficiencies that can affect energy, nerves, mood, and pain
Inflammatory markers	May point toward inflammatory or autoimmune conditions
A1C or fasting glucose	Checks blood sugar regulation
Morning cortisol when appropriate	Helps assess adrenal output in the right clinical context

Depending on symptoms, clinicians may also test for autoimmune markers, celiac disease, infections, reproductive hormones, or sleep disorders.

Cortisol testing has limits

Cortisol can be measured in blood, saliva, or urine. Each method answers a different question.

A single morning blood cortisol may help screen for adrenal insufficiency or excess, but it does not show the full daily rhythm. Salivary cortisol tests can map cortisol across the day, but results need careful interpretation. Urinary cortisol is more often used when clinicians suspect cortisol excess.

If true adrenal insufficiency or Cushing’s syndrome is suspected, endocrinologists may use tests such as ACTH stimulation testing or dexamethasone suppression testing.

The term “adrenal fatigue” is popular online, but it is not a formal medical diagnosis. A more accurate approach is to evaluate the HPA axis, sleep, autonomic nervous system, immune activity, mental health, and metabolic health together.

Autonomic and nervous system clues should be checked

For people with dizziness, racing heart, exercise intolerance, or crashes after standing, orthostatic vital signs can be useful. This means checking heart rate and blood pressure lying down, sitting, and standing.

A clinician may also consider evaluation for POTS or other forms of dysautonomia. Heart rate variability, while not a stand-alone diagnostic test, can help track nervous system recovery trends over time.

Effective treatments that support recovery

Treatment works best when it is layered. One supplement or medication rarely fixes a system-wide problem. The goal is to reduce threat signaling, restore rhythm, treat medical drivers, and rebuild capacity without triggering crashes.

Consistent sleep timing is one of the strongest signals for the stress-response system.

Restore the sleep-wake rhythm

Sleep is one of the main regulators of the HPA axis. Poor sleep can raise pain sensitivity, increase inflammation, and worsen fatigue. Pain and stress then make sleep harder, creating a loop.

Helpful steps include:

• Wake at the same time most days

• Get outdoor light within the first hour after waking

• Keep lights dim in the last hour before bed

• Avoid late caffeine, especially after lunch

• Keep naps short if they disrupt nighttime sleep

• Treat snoring, gasping, restless legs, or insomnia with medical support

  
  

Cognitive behavioral therapy for insomnia, known as CBT-I, has strong evidence for chronic insomnia. It can be especially helpful when poor sleep has become conditioned over months or years.

Use pacing instead of pushing through

For chronic fatigue with post-exertional crashes, pushing harder can backfire. Pacing means staying within the body’s current energy limit and increasing activity only when recovery becomes consistent.

A simple method is to track:

• Physical activity

• Mental effort

• Emotional stress

• Sleep quality

• Pain levels

• Delayed crashes the next day

  
  

The goal is to find a baseline that does not cause flares. From there, activity can increase slowly. This protects the brain and nervous system from repeated alarm signals.

For some people, especially those with ME/CFS or long COVID-like symptoms, aggressive graded exercise can worsen symptoms. A clinician who understands post-exertional malaise can help tailor the plan.

Calm the threat response through the body

The HPA axis communicates with the autonomic nervous system. That means body-based practices can help send safety signals back to the brain.

Useful options include:

• Slow breathing with longer exhales

• Gentle yoga or stretching that does not trigger flares

• Tai chi or slow walking

• Mindfulness-Based Stress Reduction

• Progressive muscle relaxation

• Biofeedback, Neurofeedback, or heart rate variability training

  
  

These methods do not imply symptoms are “all in the head.” They work because pain, inflammation, hormones, and the nervous system are connected. ALL PAIN IS REAL. ALL PAIN IS CREATED IN THE BRAIN! If you are seeing a provider that sends the message "Your pain / fatigue / emotional dysregulation is just in your head", please consider finding a new provider. Again, ALL PAIN IS ABSOLUTELY REAL AND IS NOT IMAGINED.

Treat pain with a nervous system lens

When pain has become chronic, treatment should address both tissues and the pain-processing system.

Helpful approaches may include:

• Physical therapy focused on safety, pacing, and gradual tolerance

• Occupational therapy for daily energy management

• Pain neuroscience education, especially Pain Reprocessing Therapy.

• Cognitive behavioral therapy or acceptance and commitment therapy for chronic pain

• Trauma-informed therapy when relevant

• Medications for neuropathic pain, sleep, inflammation, or migraine only when appropriate

• Interventional pain care in selected cases where tisssue damage or disease are present.

  
  

Pain treatment should reduce suffering and improve function without repeatedly overloading the nervous system.

Support the brain with nutrition and metabolic stability

The brain needs steady fuel to recover. Large blood sugar swings, under-eating, dehydration, and nutrient deficiencies can worsen stress physiology.

A practical eating pattern often includes:

• Protein at breakfast

• Fiber-rich complex carbohydrates

• Healthy fats

• Colorful fruits and vegetables

• Regular meals if skipping meals causes shakiness

• Enough fluids and electrolytes, especially with orthostatic symptoms

• Limited alcohol, which can disrupt sleep and cortisol rhythm

  
  

Some people benefit from checking iron, B12, vitamin D, magnesium status, or other nutrients with a clinician. Supplements can help when there is a true deficiency, but high-dose self-treatment can cause harm if attempted without proper research.

Address trauma, grief, and chronic stress without blame

Long-term emotional stress can shape the HPA axis, especially when it begins early in life or involves repeated threat. This does not mean a person caused their illness. It means the brain and body learned to stay on guard.

Treatments that may help include:

• Trauma-focused psychotherapy

• EMDR with a trained clinician

• Somatic therapies

• Skills for emotional regulation

• Supportive group therapy

• Family or relationship work when stress at home is ongoing

  
  

For some people, this is a missing piece. For others, it is only one part of a larger medical picture.

Treatments that may require specialist care

Some treatments should be handled by clinicians with the right training.

If testing shows adrenal insufficiency, steroid replacement can be life-saving and must be managed medically, and along side psychotherapy to address core issues. If testing shows cortisol excess, an endocrinologist should evaluate the cause.

Hormone therapy, thyroid medication, stimulant medication, or corticosteroids should not be used casually for fatigue. The wrong treatment can worsen anxiety, sleep, blood pressure, bone health, blood sugar, or immune function.

The safest plan starts with diagnosis, not guesswork.

Recovery often requires a coordinated plan, not a single quick fix.

What recovery can look like

Healing from stress-system dysregulation is usually gradual. Early progress may look small but meaningful.

Signs of improvement include:

• Fewer crashes after normal activity

• More predictable energy

• Less intense pain flares

• Better sleep depth

• Improved morning alertness

• Less sensitivity to noise, light, or stress

• Shorter recovery after illness or exertion

• Clearer thinking

• More confidence in daily routines

  
  

Setbacks can happen after infections, stress, travel, poor sleep, or overexertion. That does not mean treatment has failed. It often means the system needs a lower load and more recovery time before building again.

A useful goal is not to force the body back to a previous pace overnight. The better goal is to teach the brain and body that ordinary activity, rest, food, sleep, movement, and connection are safe again.

HPA axis dysfunction can sit at the center of chronic pain and fatigue, but it is rarely the only factor. The strongest treatment plans look at the whole picture: hormones, sleep, inflammation, nervous system sensitivity, trauma history, nutrition, medication effects, and daily energy limits.

If symptoms are persistent, start with a clinician who will take them seriously and rule out treatable conditions. From there, focus on steady rhythms, careful pacing, nervous system calming, targeted medical care, and brain-supportive habits. Recovery is often slow, but the system can change. Hope Renewed Counseling and EMDR Therapy specializes in the treatment of chronic pain and health conditions, and traumatic stress, both of which are strongly correlated with HPA axis dysfunction. Please feel free to reach out if you have questions or would like more information. Our services are here to help you heal.