The Great Lock-In Explained

The Great Lock-In: Embracing the Seasonal Shift to Build Wellbeing, Not Guilt

October 19, 20259 min read

“We are not above seasons - we are of them.”

Too often, the self-improvement culture encourages us to drop into January with grand resolutions - gym passes, drastic diets, productivity blitzes. And of course too often, by February or March, the energy wanes, willpower fades, guilt creeps in.

What if instead of trusting a cold, set-in-stone calendar date, we let the seasons hold us? What if we turned autumn into a “lock-in” phase - a deliberate seasonal container in which we commit to cultivating habits, resting deeply, renewing creativity, and tending to inner life?

A “Great Lock-In” is not about forcing breakthroughs or punishing ourselves for imperfection. It’s about inviting coherence, rest, alignment - and allowing the darkness and introspection of the seasons to become fertile ground.

Below I explore why seasons matter psychologically, how to build rhythms attuned to natural energy cycles, how to protect wellbeing against winter’s shadows (including SAD), and how to use winter as a season of renewal rather than shame. Then I will offer up some actionable tips so you can design your own Great Lock-In...


Why Seasons Matter: The Psychological Logic of Rhythms

At first glance, seasons are just external - weather, daylight, temperature - but they exert profound internal influence. People are, in many ways, still very much seasonal creatures. Recent research shows that our circadian rhythms remain sensitive to changes in daylight, even in our artificially lit, modern lives.

The brain’s master clock, the 'suprachiasmatic nucleus' (SCN), constantly integrates signals from light and darkness to modulate hormones, neurotransmitters like serotonin and dopamine, melatonin release, sleep-wake timing, and mood circuits.

In winter, shorter days and longer nights tend to push our circadian phase later (we stay up, sleep later) and dampen alertness. Sleep architecture also shifts: one study found that total sleep time peaks during winter, while dreaming (REM) sleep and deep (slow-wave) sleep show seasonal fluctuations.

Mood is one of the most sensitive psychological systems to seasonal variation. Studies document seasonal affective disorder (SAD) - a depressive pattern triggered in fall and winter with remission in spring/summer - as well as more subtle winter blues in many people. According to APA polling, roughly 5% of adults meet criteria for SAD; meanwhile, many more (around 40–45%) report mood dips in winter.

We also see that cognition, attention, and working memory vary across seasons - with peaks and troughs aligned to daylight and social rhythms.

In short: our bodies, our brains, and our psyches are not neutral to seasons. They respond. So resisting that influence often sets us up for tension, rather than alignment.


Why a Seasonal “Lock-In” Beats New Year Resolutions

1. Seasonal transitions already invite slowing.
Autumn naturally encourages turning inward, reducing activity, nesting. People tend to slow down anyway. Rather than resisting that pull, a lock-in works with it.

2. Energy aligns better with natural cycles.
Trying to maintain summer-level productivity through dark, cold months is like sprinting uphill in snow. Instead, accept a different cadence: deepening, refining, tending, rest, creative incubation.

3. Habits seeded in a bounded “container” tend to stick better.
A three- to four-month lock-in gives manageable scope. It feels less overwhelming than a full-year resolution. It invites experimentation, iteration, and patience.

4. It avoids shame-based thinking.
When goals fall apart in February, we often blame ourselves for failure. With a seasonal container, we reframe the objective: this is a time to deepen, not to prove ourselves.

5. It gives a natural rhythm of rest and renewal.
Winter needn’t be a time of stagnation - it can be one of regeneration, reflection, recovery. Then, with the arrival of spring, you can emerge renewed, rather than frayed.

The Great Lock-In Quote


Designing Your Own Great Lock-In: Principles & Phases

Here’s how to design a seasonal lock-in that supports growth, rest, creativity, and wellbeing.

1. Intention & Theme

Start by naming the theme or tone for the season. Examples: “Nourish,” “Deepening,” “Restful Creation,” “Slow Alchemy.” This becomes your guiding lens through all decisions.

Ask:

  • What inner quality (gentleness, curiosity, receptivity) do I want to strengthen?

  • Which habits do I want to prioritise?

  • What’s realistic for this season?

2. Rhythms, Not Rigid Rules

Rather than strict rules, design rhythms - recurring patterns or frameworks that give shape. For example:

  • Weekly cadence: one deep rest day, one creative day, two active days, etc.

  • Monthly check-ins: reflection, review, course correction.

  • Seasonal anchor: set a midpoint (e.g. Winter Solstice) as a mini milestone.

Rhythms adapt; rules force. In a season of flux, rhythms offer more grace.

3. Phases or Stages

You can divide your lock-in into stages:

  • Harvest / Integration (Autumn): Gather learnings from the year, hone practices, drop what no longer serves.

  • Deepening (Mid-Fall to Early Winter): Focus inward, settle into core habits, reduce extraneous projects.

  • Rest / Pause (Winter): Embrace restful practices, creative incubation, shorter output cycles.

  • Emergence (Late Winter / Early Spring): Start germinating new ideas, shift into preparing for expansion.

Each stage is intentional and paced.

4. Habit Bundles, Not Grand Overhauls

Choose 2 - 4 key habit supports. For example:

  • Morning ritual (breath, journaling, tea)

  • Movement (walks, yoga)

  • Creative practice (writing, painting)

  • Night ritual (digital sunset, reading, rest)

Bundle these around your theme. Track them loosely (not rigidly), so you can lean into consistency over perfection.

5. Gentle Tracking & Reflection

Instead of daily counting, use weekly or mid-point reflections. Use simple prompts:

  • What felt nourishing?

  • What drained me?

  • What small shifts do I want next week?

Journal, voice note, or even sketch - whatever feels heart-led.

6. Community or Accountability as a Zeitgeber

“Zeitgebers” are cues that entrain rhythms - light, meals, social schedule. In psychology, Interpersonal and Social Rhythm Therapy (IPSRT) shows that maintaining stable social rhythms can stabilise mood in bipolar disorder by anchoring biological rhythms.

In your lock-in, build soft accountability: a buddy check-in, group ritual, or gentle circle of sharing. This acts as a social anchor.

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Protecting Wellbeing During Dark Seasons: SAD, Winter Blues & Mood Shifts

Even with a well-designed lock-in, winter can bring shadows. Here are strategies grounded in evidence.

Understand the Risks

  • SAD typically begins in late autumn and improves in spring.

  • Symptoms: persistent low mood, oversleeping, lethargy, carbohydrate cravings, social withdrawal.

  • SAD affects ~5% of adults; many more experience subclinical mood dips.

  • Light and circadian misalignment are central to SAD’s physiology.

Evidence-Based Supports

  1. Light Therapy / Bright Light Exposure
    Use a 10,000-lux light box in the morning, ideally before 9 a.m. (20–30 minutes).
    Even sitting near a bright window or spending time outdoors during daylight improves mood.
    Use higher-watt indoor lighting in darker hours.

  2. Movement & Outdoor Time
    Light exercise raises endorphins and serotonin. Try gentle walking, yoga, or outdoor movement when daylight allows.

  3. Vitamin D & Diet
    Low vitamin D correlates with mood dips. Consider a supplement (check with your physician).
    Prioritise protein (tryptophan), fibre, whole foods, Omega-3s.

  4. Structured Sleep & Routine
    Keep bedtime and wake time consistent. Avoid late-night blue light.
    Use a “digital sunset” ritual - not just to reduce stimulation but to signal to your nervous system that night is coming.

  5. Cognitive Supports & Psychotherapy
    CBT for SAD helps participants identify spiralling winter thoughts and design behavioural activation.
    Mindfulness / MBCT helps reduce rumination, a known risk factor in depression.
    Reach out for professional care if symptoms deepen.

  6. Social Connection
    Isolation magnifies winter blues. Even small gatherings, phone check-ins, creative circles help maintain connection.

By integrating these supports into your seasonal lock-in, the darkness doesn’t have to be feared—it becomes a terrain you can travel with tools.


Winter as Renewal - A Case Against Shame

In a culture of constant hustle, failure to maintain momentum through winter can feel like a personal deficit. But that story is misaligned with how nature works.

When the land rests, seeds germinate underground. When the trees drop leaves, they conserve energy to bloom again. So can we.

A Great Lock-In invites us to:

  • Shift the metric from external productivity to nourishing consistency and emergent creativity.

  • Honour rest as generative. Rest is not absence - it is preparation, regeneration, incubation.

  • Return to your why when the outer output feels slow. Remind yourself: this is a season, not a default.

  • Celebrate small shifts: consistency, insight, expanded inner capacity - even if “visible achievement” feels modest.

When spring arrives, you'll emerge from your seasonal alchemy more grounded and ready, rather than depleted or apologetic.

Are you exhausted, unmotivated or overwhelmed? Then read our post here on avoiding burnout and why it is not your fault!


The Great Lock In Tips and Sample Plan


Tips & Practices to Bring Into Your Season

  1. Anchor in the solstice / equinox
    Use the winter solstice (mid-December) or mid-point as a ritual marker. Pause to reflect: What have I learned? What do I wish to sow in darkness?

  2. “Digital Sunsets”
    60–90 min before sleep, power down screens, light candles or low warm lighting, read or journal.

  3. Batch “deep days”
    Instead of trying to force daily creative work, designate select “deep days” for writing, art, reflective journaling.

  4. Micro-rituals of pause
    1-minute breath check-ins, tiny walks, tea rituals. These act as "micro-zeitgebers" to re-centre throughout the day.

  5. Use a seasonal journal or tracker
    Instead of bullet lists, use prompts tied to the season: “What’s quieting in me?” “What wants to emerge in spring?” Reflect monthly.

  6. Gentle experimentation
    If something's not working, shift. Winter is a time for iteration, not rigid perfection.

  7. Soft accountability
    Share with a friend: “I’m holding space this winter for rest + deepening.” A check-in once per week or month helps anchor commitment.

  8. Light first thing
    On waking, open curtains, expose even briefly to daylight or use a light lamp. Signal to your biology that day is beginning.


Concluding Invitation

The Great Lock-In is not about pushing harder. It’s about listening more deeply. It’s a ritual container that says: I will tend myself in this season. I will seed growth quietly, with patience, with heart. I will let rest and creativity cohabitate. I will lean into the steady pulse of earth, dark, and light.

Winter need not be a time of postponed life or lost motivation. It can be a time of renewal, redirection, and re-founding. And come spring, you’ll emerge - less depleted, more grounded, carrying the gentle integrity of alignment rather than exhaustion.

If you are wanting to rest and reset yourself, then there is no better time than you! You've got this, now go do it!

Jo Marshall is a seasoned growth mindset expert and transformational life coach, with nearly 30 years of experience. Specialising in personal development strategies, she helps people to reach their full potential, and achieve their dream life. Be it purpose or passion driven, Jo will have the answers and plans to get you on your way!

Jo Marshall

Jo Marshall is a seasoned growth mindset expert and transformational life coach, with nearly 30 years of experience. Specialising in personal development strategies, she helps people to reach their full potential, and achieve their dream life. Be it purpose or passion driven, Jo will have the answers and plans to get you on your way!

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