When “tired” becomes your normal, it’s time to look deeper

Persistent fatigue is one of the most common (and most frustrating) symptoms adults face—especially busy professionals juggling work, family, stress, and changing hormones. The challenge is that fatigue is rarely “just one thing.” It can come from sleep disruption, nutrient gaps, thyroid changes, blood sugar swings, chronic stress, medication side effects, or deeper imbalances that don’t show up on a quick visit.

At La Mer Holistic Medicine, we take an integrative approach—combining careful history, targeted testing when appropriate, and whole-person care to help you uncover what’s driving low energy and build a realistic plan to restore it.

Fatigue is a symptom, not a personality trait

Fatigue can mean different things:

Sleepiness (you could fall asleep anytime)
Low stamina (you run out of fuel quickly—mentally or physically)
“Wired but tired” (you feel exhausted but can’t fully relax or sleep well)

Defining your fatigue type helps guide the next steps. For example, significant daytime sleepiness may point toward a sleep-breathing disorder like obstructive sleep apnea, which can cause fragmented sleep and morning exhaustion even when you “slept” for 7–8 hours. (fda.gov)

The most common “buckets” that drive chronic fatigue

1) Sleep quantity or quality problems
Adults typically need 7+ hours (and it must be restorative). Even with enough time in bed, conditions like sleep apnea can keep your brain “micro-waking” all night. (cdc.gov)
2) Nutrient and oxygen delivery issues
Low iron stores, anemia, B12 insufficiency, and other nutrient gaps can reduce oxygen delivery and cellular energy production—often showing up as fatigue, low motivation, or exercise intolerance.
3) Thyroid and metabolic shifts
Thyroid imbalance can contribute to fatigue, brain fog, and feeling cold or sluggish; treatment dosing also matters—too little can leave symptoms lingering. (thyroid.org)
4) Hormone transitions (perimenopause, menopause, and andropause)
Changes in estrogen, progesterone, and testosterone can affect sleep depth, mood stability, muscle recovery, and energy. The key is to evaluate symptoms in context and match support to your physiology and goals.
5) Stress physiology + nervous system load
Chronic stress can disrupt sleep, digestion, inflammation, and motivation. This is where mind-body tools can make a measurable difference—especially when paired with medical evaluation.

A practical rule: if fatigue lasts more than 2–4 weeks despite solid sleep and basic self-care, it’s worth a structured evaluation rather than guessing and cycling through supplements.

Did you know? Quick fatigue facts that change the conversation

Sleep apnea isn’t just “loud snoring.” Many people wake unrefreshed, have mood changes, headaches, or trouble concentrating—sometimes without classic symptoms. (fda.gov)
“Time in bed” isn’t the same as quality sleep. Fragmented sleep can leave you exhausted even if you got the recommended hours. (fda.gov)
Most adults need at least 7 hours nightly. Regularly getting less than that is associated with multiple health risks—so fatigue is sometimes a signal, not a flaw. (cdc.gov)

A simple table: “What I feel” → “What we consider”

Your fatigue pattern Common contributors to rule in/out Helpful next step
Unrefreshed after 7–8 hours; morning headache Sleep apnea, fragmented sleep, alcohol/sedatives, nasal obstruction Discuss sleep evaluation; consider sleep study when appropriate (fda.gov)
Energy crashes mid-afternoon; cravings Blood sugar swings, meal timing, stress, inadequate protein/fiber Nutrition review + targeted labs as needed
Short of breath or “heavy” fatigue with exertion Iron deficiency/anemia, cardiopulmonary issues, deconditioning Medical evaluation; consider CBC/iron studies
“Wired but tired,” anxious at night, can’t unwind Stress physiology, nervous system overload, caffeine timing, insomnia patterns Mind-body protocols + sleep hygiene plan (mayoclinic.org)
Note: Fatigue can have serious medical causes. If you have chest pain, fainting, severe shortness of breath, black/tarry stools, new neurological symptoms, or rapid unexplained weight loss, seek urgent medical care.

Step-by-step: A realistic 2-week reset that also gives you diagnostic clues

1) Lock in a consistent sleep window

Aim for 7+ hours nightly with the same wake time most days. If you can’t fall asleep, focus first on consistency, light exposure in the morning, and a short wind-down routine. (cdc.gov)

2) Screen your sleep for apnea clues

Ask: Do you snore? Wake with dry mouth or headaches? Wake to urinate repeatedly? Feel unrefreshed after “enough” sleep? Those are common flags to discuss with a clinician. Diagnosis typically involves a sleep study (home or lab). (fda.gov)

3) Stabilize blood sugar with a simple plate method

For lunch and dinner: start with protein + colorful plants + healthy fats; then add carbs in a portion that supports your energy (not a crash). Many people notice fewer afternoon slumps within 7–10 days.

4) Audit stimulants and “sleep sabotagers”

Caffeine later in the day, alcohol near bedtime, and some medications/supplements can fragment sleep. If you suspect your sleep is being disrupted, bring a full list of what you take (including OTC and “natural” products) to your appointment.

5) Track symptoms like a clinician (without obsessing)

Each day, jot down: bedtime/wake time, energy (1–10), mood (1–10), bowel changes, cycle timing (if relevant), and what worsened or improved fatigue. This often reveals patterns—especially around stress load, meals, and sleep quality.

Local angle: fatigue in Oxnard and Ventura County lifestyles

In Oxnard and across Ventura County, we often see fatigue amplified by real-world factors: early commutes, irregular work schedules, family responsibilities, and “weekend catch-up sleep” that throws off the body clock. Coastal living can be restorative—but only if your habits support recovery.

If you’re doing “all the right things” and still feel depleted, that’s when integrative care shines: we connect symptoms across systems (sleep, hormones, nutrition, nervous system, and musculoskeletal health) so you’re not stuck treating fatigue as a mystery.

Ready for a plan that’s calm, thorough, and personalized?

If fatigue is interfering with your work, relationships, workouts, or mood, you don’t have to “push through” indefinitely. A structured, whole-body evaluation can help you identify root contributors and choose the most effective next steps—without guesswork.

FAQ: fatigue, testing, and integrative care

How do I know if my fatigue is “normal” or something to evaluate?

If fatigue persists beyond a few weeks, worsens, impacts daily function, or comes with symptoms like unrefreshing sleep, mood changes, dizziness, shortness of breath, or exercise intolerance, it’s worth a deeper look.

I sleep 7–8 hours. Why am I still exhausted?

Quantity doesn’t guarantee quality. Sleep can be fragmented by stress, alcohol, medications, pain, or sleep disorders like obstructive sleep apnea—where breathing interruptions repeatedly disrupt restorative sleep. (fda.gov)

What tests are commonly considered for fatigue?

This depends on your history, but clinicians often consider basics like blood counts, iron status, thyroid markers, metabolic markers, and nutrient status—then add targeted functional testing when the story suggests it’s useful.

Can hormones contribute to fatigue even if my labs look “normal”?

Yes. Symptoms often reflect patterns (sleep depth, cycle changes, hot flashes/night sweats, libido shifts, mood changes, recovery changes). Labs are one piece of the puzzle; your timeline and symptom profile matter.

What’s a safe first step while I’m waiting for an appointment?

Prioritize consistent sleep timing, hydrate, eat protein-forward balanced meals, limit late-day caffeine/alcohol, and start a simple symptom log. If you suspect sleep apnea, bring those symptoms up early—sleep evaluation can be a high-impact step. (fda.gov)

Glossary (helpful terms you may hear)

Obstructive Sleep Apnea (OSA): A sleep disorder where the airway repeatedly narrows or blocks during sleep, disrupting oxygen levels and sleep quality; commonly linked with snoring and daytime fatigue. (fda.gov)
Sleep study (home or lab): Testing that measures breathing, oxygen, and sleep patterns to diagnose sleep disorders such as OSA. (fda.gov)
Functional medicine approach: A whole-systems way of assessing root contributors to symptoms (nutrition, sleep, stress, hormones, gut health, inflammation) and building an individualized plan.
Fragmented sleep: Sleep that is interrupted many times (even briefly), reducing restorative deep sleep and leaving you unrefreshed the next day. (fda.gov)