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Chinese Medicine & the Nervous System: Why Winter Hits So Hard

  • Writer: Jenny Lea, L.Ac
    Jenny Lea, L.Ac
  • Dec 15, 2025
  • 5 min read

Updated: Dec 22, 2025


From a Chinese medicine perspective, winter is governed by the Water element, which is associated with the Kidneys, adrenal system, and deep reserves of energy (Jing). This is the season of storage, rest, and conservation — not constant output.

When we ignore that rhythm and continue to push at full speed, the body often responds with symptoms that look very familiar during the holidays:


  • Exhaustion that doesn’t improve with sleep

  • Heightened stress reactivity

  • Anxiety or emotional flatness

  • Irritability and impatience

  • Feeling “fried” or on edge


In modern terms, this often shows up as nervous system dysregulation — the body stuck in a low-grade fight-or-flight state when it actually needs to downshift.


Why Irritability Is a Nervous System Signal

In Chinese medicine, irritability during winter is often connected to:

  • Liver Qi stagnation from stress and overcommitment

  • Kidney depletion from chronic pushing and lack of rest

  • Heart–Kidney imbalance, where the mind feels restless but the body is exhausted


When reserves are low, the nervous system loses flexibility. Small stressors feel big. Emotions spike quickly. Patience disappears.

This isn’t because you’re “too sensitive.” It’s because your system is asking for support and regulation, not more willpower.


How Acupuncture Helps During SAD Season

Acupuncture works by gently signaling safety to the nervous system, helping shift the body out of survival mode and into repair.


During the winter and holiday season, treatment often focuses on:

  • Regulating the stress response (calming the sympathetic nervous system)

  • Supporting Kidney and adrenal energy

  • Smoothing emotional tension and irritability

  • Improving sleep quality and resilience

  • Helping the body adapt to seasonal darkness and increased demands


Many people notice they feel:

  • More grounded and emotionally steady

  • Less reactive to stress

  • Clearer mentally

  • Better able to rest deeply


Think of it as replenishing your internal battery, not just managing symptoms.


Winter Is Not the Time to Push Harder

In Chinese medicine, winter is the time to:

  • Go to bed earlier

  • Say no more often

  • Turn inward

  • Receive support


Supporting your nervous system now can prevent deeper burnout, anxiety, or depression later — and make the holidays feel more manageable rather than something to “survive.”


When the Holidays Feel Heavy: Navigating SAD, Stress, and Irritability in the Darker Months


The holidays are often painted as a season of joy, connection, and celebration. But for many people, especially those who are already juggling work, business ownership, caregiving, or emotional labor, this time of year can feel overwhelming rather than festive.

Shorter days. Less sunlight. Packed schedules. Financial pressure. Social expectations.It’s no wonder that irritability rises, energy drops, and rest feels both desperately needed and strangely out of reach.


If you find yourself feeling more reactive, exhausted, or emotionally flat as winter settles in, you’re not alone — and you’re not failing. You may be experiencing Seasonal Affective Disorder (SAD) or a milder seasonal shift that still has a real impact on your nervous system and mental health.

Let’s talk honestly about what’s happening — and how to move through it with more compassion and steadiness.


What Is Seasonal Affective Disorder (SAD)?

Seasonal Affective Disorder is a form of depression that typically appears in the fall and winter months when daylight decreases. While it’s often discussed in clinical terms, many people experience it in subtler ways that don’t always get labeled:

  • Low energy or fatigue that doesn’t improve with sleep

  • Difficulty concentrating or staying motivated

  • Increased irritability or emotional sensitivity

  • Wanting to withdraw socially

  • Changes in appetite or cravings for comfort foods

  • A heavy, sluggish, or “shut down” feeling


Even if you don’t meet the criteria for clinical depression, seasonal shifts can still affect mood, hormones, sleep cycles, and stress tolerance.

And then the holidays arrive — demanding cheer on top of depletion.


The Holiday Pressure Cooker

The end of the year compresses everything.

Work deadlines pile up. Businesses push for Q4 results. Self-employed people feel pressure to “finish strong.” Family obligations increase. Social calendars fill. Travel, finances, and expectations all converge at once.

For many high-functioning adults, especially women, the internal message sounds like:

“I should be able to handle this.” “Everyone else seems fine.” “I just need to push through.”

But pushing through when your system is already depleted often leads to irritability, resentment, or emotional shutdown. Small things feel big. Patience runs thin. You may snap at loved ones — then feel guilty afterward.

This isn’t a character flaw. It’s a nervous system under strain.


Why Irritability Is So Common Right Now

Irritability is often misunderstood as a personality issue, but it’s more accurately a stress signal.

During darker months:

  • Less sunlight disrupts circadian rhythms and serotonin levels

  • Chronic stress keeps cortisol elevated

  • The body has fewer internal resources to buffer stimulation


When your system is tired, everything feels louder — noise, demands, emotions, even other people’s moods.

Irritability is frequently the body’s way of saying:

“I don’t have enough reserve right now.”

Listening to that message matters.


The Hidden Grief of Winter

Another layer that often goes unnamed is seasonal grief.

Winter can stir:

  • Memories of loss

  • Awareness of time passing

  • Disappointment about where life or business “should be” by now

  • Loneliness, even when surrounded by people


The holidays tend to magnify these feelings. When everyone else is expected to be happy, it can feel isolating to admit you’re not.

Giving yourself permission to acknowledge this emotional weight — without trying to fix it immediately — can be deeply regulating.


The Radical Necessity of Rest

One of the hardest truths about this season is also the simplest:

Winter is not meant to be lived at summer speed.

Biologically, humans are wired for more rest, reflection, and conservation during darker months. Yet modern life asks us to do the opposite — to produce more, socialize more, and spend more.

If you feel the urge to slow down, sleep more, or say no, that’s not weakness. It’s wisdom.


Rest doesn’t always mean taking a vacation. It can look like:

  • Going to bed earlier, even if dishes wait

  • Creating tech-free evenings

  • Reducing nonessential commitments

  • Allowing quiet without filling it

  • Choosing nourishment over productivity


Rest is not a reward you earn after everything is done. It’s a requirement for emotional stability.


Navigating Business and Work Stress During SAD Season

For business owners and professionals, winter can bring a unique tension: energy is low, but expectations remain high.


A few gentle reframes can help:

1. Adjust your internal metricsInstead of asking, “Am I doing enough?” try asking, “What’s sustainable right now?”

2. Focus on maintenance, not expansionWinter is an excellent time for refinement, organization, and internal work — not constant growth.

3. Build in recovery timeShort breaks, fewer meetings, and realistic deadlines can prevent burnout from tipping into depression.

4. Let “good enough” be good enoughPerfectionism becomes especially draining when your reserves are low.

Your worth is not measured by your output — especially in winter.


Supporting Yourself Through the Season

Small, consistent supports often matter more than big changes:

  • Light exposure: Get outside in the morning when possible, even briefly

  • Gentle movement: Walking, stretching, or slow practices can lift mood without depletion

  • Warm, grounding foods: Soups, stews, and cooked meals support both digestion and energy

  • Emotional honesty: Name how you’re actually feeling — to yourself or someone safe

  • Professional support: Therapy, acupuncture, or other holistic care can be especially helpful this time of year


Most importantly, reduce self-judgment. You are responding appropriately to a challenging season.


A Different Way to Move Through the Holidays

Instead of asking yourself how to get through the holidays, try asking:

  • What do I need more of right now?

  • What can I let go of, just for this season?

  • What would make this feel 10% softer?

You don’t have to love the holidays. You don’t have to be cheerful. You don’t have to keep up with anyone else’s pace.

You’re allowed to move slowly.You’re allowed to rest.You’re allowed to feel what you feel.

Winter asks us to turn inward, not perform joy.

And sometimes the most healing thing we can do is honor the season we’re actually in — both outside and within.





 
 
 

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