Spring Is a Signal — Here’s What It Means for Your Hormones

Something happens this time of year that no calendar can fully capture.

The light shifts. The air changes. Something in your body stirs — a quiet pull toward beginning again.

You feel it even when life is full and complicated. Even when you are in the middle of a major transition — one that is exciting and exhausting in equal measure.

I know this firsthand right now.

We just closed on our new home. Right now we are deep in the remodeling process — making countless decisions about layouts, finishes, furnishings, and timelines. Every day brings new choices. New tradeoffs. A beautiful kind of chaos that is still very much chaos.

My schedule is deliberately lighter than it has been in years — because I know this season requires mental and emotional energy that I want to be intentional about protecting.

And yet — spring is doing what spring always does.

It is whispering: release what no longer serves. Make space. Begin again.

What Every Great Tradition Knows

Today, Passover begins at sundown.

In the Jewish tradition, Passover is one of the most profound liberation stories ever told — the journey from bondage to freedom. From Egypt, from narrow places, from whatever has been holding the people captive.

And just days later, Easter arrives — the Christian celebration of resurrection. Of death giving way to new life. Of the stone rolled away from what was sealed shut.

Different traditions. Different stories.

But the same seasonal wisdom:

This is the time to release what is heavy. This is the time to let something new begin.

What strikes me — as both a woman of faith and a nurse practitioner who studies physiology — is that these ancient traditions are not just spiritually profound.

They are biologically accurate.

Spring Is a Biological Event — Not Just a Calendar Date

Groundbreaking research by Dr. Satchidananda Panda at the Salk Institute has shown that light is the single most powerful zeitgeber — or time-giver — for the human body. As daylight lengthens in spring, it resets the master circadian clock in the suprachiasmatic nucleus (your brain’s built-in timekeeping center) of the brain, triggering cascading changes in hormone release, metabolism, immune function, and cellular repair (1).

In other words — your body is literally wired to respond to spring.

More light means more serotonin. More serotonin means better mood, better sleep architecture, and better progesterone support.

Research also shows that seasonal light changes influence the hypothalamic-pituitary-adrenal (HPA) axis — the very system that governs your cortisol rhythms and stress response. Spring’s increasing light can naturally lower baseline cortisol and improve the body’s stress resilience (2).

Your body is not waiting for you to decide to renew.

It has already begun.

The question is whether your daily rituals are supporting that process — or working against it.

Why Extreme Spring Cleanses Backfire

Every spring, the wellness industry floods your feed with cleanses, detoxes, and elimination protocols.

I want to offer you a different perspective — one grounded in physiology rather than marketing.

Your liver, gut, and lymphatic system are already doing the work of detoxification — every single day. They do not need to be shocked into action. What they need is consistent, gentle support (3).

Research on extreme caloric restriction and aggressive detox protocols shows that they can actually increase cortisol, suppress thyroid function, and disrupt the estrogen-progesterone balance that perimenopausal women are already working hard to maintain (4).

The women who thrive in spring are not the ones who punish their bodies into renewal.

They are the ones who create rhythms their bodies can trust.

Healing does not come from intensity. It comes from consistency. And spring is the perfect season to build rhythms that last.

The Science of Small Rituals

Dr. Andrew Huberman’s neuroscience research at Stanford has shown that consistent daily behaviors — particularly those anchored to light, movement, and nutrition timing — have an outsized effect on hormone regulation, neuroplasticity, and emotional resilience (5). The nervous system thrives on predictable patterns. When your body knows what is coming, it can regulate more efficiently — spending less energy on survival and more on restoration.

Behavioral scientist BJ Fogg, in his research on habit formation, found that tiny, consistent actions — what he calls Tiny Habits — create more lasting change than large, effortful ones. The minimum effective dose is not a compromise. It is a strategy (6).

This is especially important for women in perimenopause.

Your hormonal system is already navigating significant change. It does not need more demands placed upon it.

It needs more safety signals.

Small rituals are safety signals.

Spring Rituals That Actually Support Your Hormones

These are not trendy wellness hacks. These are evidence-based daily practices that work with your biology — not against it.

Morning Rituals  —  Anchor Your Hormones to the Light

1. Sunlight within 30 minutes of waking — Step outside before you open your phone. Even 10 minutes of natural light triggers the Cortisol Awakening Response, suppresses excess melatonin, and begins setting your circadian clock for the day. Dr. Panda’s research confirms this is the single most impactful free tool available for hormonal and metabolic health (1).
2. Protein before caffeine — Cortisol is naturally elevated in the morning. Eating 25–30g of protein before coffee stabilizes blood sugar, reduces cortisol’s catabolic effect on muscle, and sets a steady hormonal foundation for the day (4).
3. Hydration first — After 7–8 hours without water, your body wakes in a mild state of dehydration. Even mild dehydration elevates cortisol and impairs cognitive function. 16oz of water before anything else is one of the simplest nervous system support practices available (7).

Midday Rituals  —  Sustain Your Energy Without Crashing

1. A 10-minute walk after lunch — Post-meal walking has been shown to meaningfully reduce blood sugar spikes, improve insulin sensitivity, and support the gut motility that keeps estrogen metabolism moving efficiently (8). It also provides a midday light anchor that reinforces your circadian rhythm.
2. One breath pause — In the middle of the day — before a decision, during a transition, while waiting on a contractor — take 60–90 seconds of slow, extended exhales. This is your vagal brake. It costs nothing and shifts your nervous system from sympathetic drive back toward balance (9).

Evening Rituals  —  Your Digital Sunset

 As I shared in last week’s blog — your evening signals matter as much as your morning ones.

1. Dim your lights after 8 PM. Put your screens down 60 minutes before bed. Let your body receive the signal that the day — and all its decisions — is complete.
2. A wind-down ritual your nervous system can count on — Prayer. Gratitude. Gentle stretching. A warm bath. Whatever creates a sense of safety and closure for you. Research shows that consistent pre-sleep rituals reduce cortisol, improve sleep onset, and support the overnight hormonal restoration your body depends on (10).
3. Protect 7–9 hours — Not as a luxury. As medicine. As we explored in the March 18 blog, this is when 70–80% of your daily growth hormone is released and your progesterone-cortisol balance is restored (11).

My Transparency — Rituals in the Middle of a Beautiful Chaos

I will be honest with you about where I am right now.

We recently closed on our new home— and rather than moving in right away, we are remodeling first. Which means right now my life is full of contractor conversations, tile samples, paint swatches, furniture decisions, and the particular kind of mental load that comes with making hundreds of choices in a compressed period of time.

It is exciting. It is also genuinely exhausting in ways that are easy to underestimate.

Every decision — no matter how small — draws from the same cognitive and hormonal reserves. And I know from both my clinical training and my own lived experience that decision fatigue is real, cortisol is cumulative, and the nervous system does not distinguish between stressors that feel “good” and stressors that feel “bad.”

A remodel is a joy. It is also a load.

Can you relate?

So in the middle of all of it, I have been asking myself: which rituals are non-negotiable? Which are the ones that hold when life reorganizes itself around me?

Here is what I have kept, no matter what:

• Morning sunlight — even if I step outside in yesterday’s clothes while reviewing contractor notes
• Protein at breakfast — even if it is a quick shake between phone calls
• One breath pause before making a major decision — because cortisol-driven choices rarely serve us well
• Lights down and phone away at least 60 minutes before bed — because my sleep is the one thing I refuse to sacrifice

Not perfect. Not elaborate.

Consistent enough to keep my nervous system anchored while everything around me is in beautiful, intentional flux.

The goal is not a perfect morning routine. The goal is a nervous system that feels safe enough to heal — and make good decisions — even in the middle of transition.

What are YOUR four? The rituals that hold even when life does not cooperate?

That is your spring reset.

Passover asks: what are you being freed from?

Easter asks: what is being resurrected in you?

Spring asks your body: what can be released so something new can grow?

For many of us — the answer is not toxins.

It is the relentless pace. The over-commitment. The belief that rest is something we earn rather than something we need.

True spring renewal is not a cleanse.

It is a rhythm.

It is the daily practice of saying to your body: I see you. I will care for you. You are safe.

Liberation is not always dramatic. Sometimes it is simply the decision to stop carrying what was never yours to carry alone. And to begin — gently, consistently — again.

Your Spring Invitation

This week, I am not asking you to overhaul your life.

I am asking you to choose three to five small rituals — anchored to morning, midday, and evening — and practice them consistently for the next four weeks.

Not because perfection is the goal.

Because your nervous system is watching. And consistency is the language it trusts.

FREE GIFT: My FREE Biohacking Checklist gives you a simple, science-backed list of daily rituals organized by time of day — so you always know exactly what to do and when. This is your spring rhythm, mapped out. Click HERE!

If you are ready to explore what a personalized daily rhythm could look like for your body — I would love to help. Book your FREE 20-minute consultation at ConsultLori.com.

Creating the Vitality You Crave,

Lori Finlay, MSN, NP

Award-Winning Author, Create the Vitality You Crave

References

1. Panda, S. (2020). The circadian code: Lose weight, supercharge your energy, and transform your health from morning to midnight. Rodale Books.

2. Wehr, T. A., Duncan, W. C., Sher, L., Aeschbach, D., Schwartz, P. J., Turner, E. H., Postolache, T. T., & Rosenthal, N. E. (2001). A circadian signal of change of season in patients with seasonal affective disorder. Archives of General Psychiatry, 58(12), 1108–1114.

3. Hodges, R. E., & Minich, D. M. (2015). Modulation of metabolic detoxification pathways using foods and food-derived components: A scientific review with clinical application. Journal of Nutrition and Metabolism, 2015, 760689.

4. Tomiyama, A. J., Mann, T., Vinas, D., Hunger, J. M., DeJager, J., & Taylor, S. E. (2010). Low calorie dieting increases cortisol. Psychosomatic Medicine, 72(4), 357–364.

5. Huberman, A. D. (2021). Toolkit for sleep. Huberman Lab Podcast, Episode 2. Stanford University.

6. Fogg, B. J. (2019). Tiny habits: The small changes that change everything. Houghton Mifflin Harcourt.

7. Riebl, S. K., & Davy, B. M. (2013). The hydration equation: Update on water balance and cognitive performance. ACSM’s Health & Fitness Journal, 17(6), 21–28.

8. Reynolds, A. N., Mann, J. I., Williams, S., & Venn, B. J. (2016). Advice to walk after meals is more effective for lowering postprandial glycaemia in type 2 diabetes mellitus than advice that does not specify timing. Diabetologia, 59(12), 2572–2578.

9. Zaccaro, A., Piarulli, A., Laurino, M., Garbella, E., Menicucci, D., Neri, B., & Gemignani, A. (2018). How breath-control can change your life: A systematic review on psycho-physiological correlates of slow breathing. Frontiers in Human Neuroscience, 12, 353.

10. Dautovich, N. D., McNamara, J., Williams, J. M., Cross, N. J., & McCrae, C. S. (2010). Tackling sleeplessness: Psychological treatment options for insomnia. Nature and Science of Sleep, 2, 23–37.

11. Van Cauter, E., Leproult, R., & Plat, L. (2000). Age-related changes in slow wave sleep and REM sleep and relationship with growth hormone and cortisol levels in healthy men. JAMA, 284(7), 861–868.