Your Body Already Knows the Schedule.

I spent years overworking myself and not taking time to rest. Not meeting myself and only waking up to the pace when depletion turned into illness.

I came up in finance and tech. The pace was relentless, the expectations were constant, and rest was what happened when you were done. Except you were never done. I thrived in those environments, or I thought I did. I was building things and making money. The go-go-go felt like proof I was doing something right.

My body ended up screaming at me – and breaking – because I wasn’t listening to her. To what I needed. Rest, boundaries, and deeper alignment.

Then came a deep shattering and rebuild, through suicide losses in my family. It taught me the critical nature of going inward, finding myself, and learning to move through the world in a way that truly served me.

I launched She’s Independent to honor women. To honor myself. As a reminder to slow down, speak up, celebrate women, and connect authentically over real stories and actions. Whether that’s through investing in our portfolios, in companies we care about, or in ourselves and our bodies.

The Rhythm You Were Never Taught About

Your body doesn’t run on one daily cycle. It runs on two.

The circadian rhythm is the 24-hour cycle that governs sleep, wakefulness and cortisol. It’s the rhythm the entire productivity industry is built around. Rise early, power through, repeat. That advice works well for bodies running primarily on testosterone and a single dominant hormonal pattern.

The infradian rhythm is the roughly 28-day cycle unique to menstruating women, driven by the ebb and flow of estrogen, progesterone, luteinizing hormone and testosterone across four phases. It shapes far more than your period. It shapes your energy, your metabolism, your cognitive strengths, your mood, your immune response, and your capacity for different kinds of work.

Alisa Vitti, functional nutritionist and author of In the Flo, has spent two decades on this. Her work uncovering the infradian rhythm and creating the Cycle Syncing Method became a global wellness movement because it named something so many of us had already felt in our bodies before we had the vocabulary for it. We are not the same person every day of the month, and we were never supposed to be.

When we force a consistent output across all four phases – the same intensity of exercise, the same social energy, the same creative capacity, the same caloric needs – we’re working against our own biology. The research gave us a roadmap for something we were already living.

The Four Phases

Your cycle maps more than your period. It maps when you’re wired to create, to connect, to reflect, and to rest.

Menstrual Phase (Days 1–5ish)

All hormones drop to their lowest. Energy is at its quietest. Your body is asking you to slow down, take stock and rest. The winter of your cycle.

What your body wants: Warmth, nourishment, gentleness. Research published in the European Journal of Applied Physiology, along with studies on psychophysiological responses to high-intensity exercise, found that women report significantly worse psychological responses to intense workouts during the menstrual phase. Lower motivation, higher perceived exertion, more discomfort.

Nutrition note: Warming, easily digestible, mineral-rich foods. Soups, stews, bone broth, and iron-rich proteins to replenish what’s being lost. Cold and raw foods are harder to process during menstruation, so this is the week for cooked, comforting meals with ginger, leafy greens and healthy fats.

Movement: Gentle yoga, walking, stretching. Restorative rather than demanding.

Scheduling wisdom: Don’t put your biggest speaking engagement or a packed day of investor calls here. Journal instead. Look at what the last cycle brought, and ask yourself what you want to call in next. At She’s Independent, we’d call this your personal “due diligence” phase – except the company you’re evaluating is yourself.

Follicular Phase (Days 6–12ish)

Estrogen begins its climb. Energy builds and creativity sparks. You start to feel like yourself again, maybe an amplified version of yourself. The spring of your cycle.

What your body wants: Fresh, vibrant food. Estrogen is rising while body temperature stays low, so raw vegetables, smoothies and lighter meals land well. Salads, fermented foods and fresh fruit support your body’s natural momentum. Your appetite is naturally lower, and blood sugar tends to stay more stable.

Movement: Your body is ready for more. Cardio, dance, that pickleball championship, strength training. Energy and motivation line up here. Research in PLOS One shows higher fat utilization during follicular-phase exercise, so your body is metabolically primed to move.

Scheduling wisdom: Book the creative brainstorms, the strategy sessions, the networking events. Your brain is in building mode, and you’re more social, more articulate, more energized. This is the window Intuitive Scheduling leans on, prioritizing days 6 through 16 of your cycle for the interactions that ask for your fullest presence.

Ovulatory Phase (Days 13–16ish)

Estrogen peaks. Testosterone surges. Luteinizing hormone triggers ovulation. You’re magnetic, communicative and confident. The summer of your cycle.

What your body wants: Light, fiber-rich, anti-inflammatory food. Cruciferous vegetables like broccoli, cauliflower and brussels sprouts help metabolize the peak estrogen. Raw salads and fresh produce shine here. Your body temperature rises slightly, so cool, crisp food feels especially good.

Movement: Your peak performance window for high-intensity work. Testosterone is at its highest, which is when strength training builds muscle most efficiently.

Scheduling wisdom: Give the keynote. Lead the pitch. Have the hard conversation. Host the event. You have biological tailwinds right now. Use the magic.

Luteal Phase (Days 17–28ish)

After ovulation, progesterone rises and estrogen normalizes before both begin their decline. Energy starts to slow, and your focus shifts from external to internal. The autumn of your cycle.

What your body wants: More food, genuinely. Your metabolic rate increases during the luteal phase, and peer-reviewed research published in Nutrition Research confirms that energy intake, carbohydrate consumption and protein cravings all rise, driven by progesterone’s appetite-stimulating effects. Honor it. Complex carbohydrates, root vegetables, sweet potatoes, whole grains and hearty cooked meals stabilize blood sugar and support progesterone. This is stew season, not salad season.

Movement: Pull it back. Studies in Physiology & Behavior found that women experienced worse psychological responses to high-intensity exercise during the luteal phase, with higher anxiety, lower motivation and increased perceived exertion at the same workload compared to the follicular phase. Pilates, moderate yoga, walking and lighter strength work serve you better here. Pushing through intense workouts during this phase can spike cortisol in ways that work against the very hormones you’re trying to support.

Scheduling wisdom: This is your journaling phase, your meditation phase, your let-me-look-at-the-data-before-I-decide phase. Analytical, detail-oriented work that needs deep focus pairs beautifully with luteal energy. Editing, reviewing financials, running diligence on an investment. Social-heavy days and back-to-back calls do not. Give yourself permission to say no this week.

The Cost of Not Listening

I know the cost personally. Years of scheduling myself the same way every week. Monday through Friday, meetings whenever someone else needed me, speaking engagements regardless of where I was in my cycle, exercise that never varied, nutrition that never adapted. I treated my body like a machine with a single setting.

It broke down, over and over, until it cracked wide open.

The physical ailments and injuries that followed weren’t random. They were years of accumulated stress from operating against my own rhythm. What came after – going inward, learning to trust my intuition, creating sacred space first, giving myself permission to rest deeply – was an education in sovereignty.

Showing up fully has nothing to do with showing up constantly. The quality of presence you bring to a meeting, a stage, a conversation, a creative session when you’re resourced is nowhere near what you produce while pushing through.

That changed how I live and how I lead. It changed how I move into action, and it made rest and pause real options in my toolkit rather than rewards for finishing.

Why We Built Intuitive Scheduling

This is why Intuitive Scheduling exists. It’s a practice more than a productivity tool.

You set your boundaries first, and the calendar works inside them. A cap on meetings per day. Days you keep meeting-free. Real breathing room between calls, anywhere from fifteen minutes to an hour and a half. A booking window you choose, from one or two weeks out to eight. Midday rest you can protect. Then it reads your Google Calendar and shows people only what’s genuinely open.

Turning on cycle tracking adds a layer. Give it any bleed start date, past or future, along with your average cycle length, and it prioritizes your higher-energy days, roughly days 6 through 16, for the interactions that need your fullest presence. The phase defaults are research-based, and you can change every one of them.

Your data stays in your browser. There’s no account to create.

The principle underneath it: when you align your commitments with your energy, rather than forcing your energy to match your commitments, you don’t just avoid burnout. You unlock a version of yourself you may have never met otherwise.

An Invitation

Your cycle is yours. What nourishes you during your bleed might be different from what nourishes someone else. Your follicular energy might kick in on day 5 or day 8. The movement that feels right in your luteal phase might be swimming, or it might be stillness.

So get curious. Track more than your period. Track your energy, your mood, your appetite, your capacity for connection. Notice what happens when you cook a warming stew during your bleed instead of grabbing that chilled smoothie. Feel the difference an intentional rest day makes. Then build from there.

Some places to deepen this exploration:

• In the Flo by Alisa Vitti – the foundational text on cycle syncing, infradian rhythm, and aligning your food, fitness and time management to your biology
• WomanCode by Alisa Vitti – her earlier work on hormone health and the Flo Living protocol
• The Cycle Syncing Method – Vitti’s research hub and the MyFlo app for daily phase-specific guidance
• Elara Care’s Menstrual Cycle Food Charts – a clear, phase-by-phase nutrition reference
• Cash is Queen: A Conscious Journey in Angel Investing by Natalie Levy – my book on the conscious investing journey, including the mindset shifts and body intuition that made space for all of this

Start by Listening

You don’t need to overhaul your life tomorrow. You just need to start listening.

Slow down. Take pause. Go inward. Ask your body what she needs, not beholden to your calendar but in agency over your own movements and commitments.

Rest when rest is what’s called for. Move when movement is medicine. Skip the networking event. Journal instead of jamming another call into an already-full day. Sleep deeply without apology. Cuddle your dog in your backyard until you’re covered in leaves.

That’s sovereignty. It’s the deeply held wisdom that lives in you, rather than in a productivity framework designed for a body that isn’t yours. This is the life you were meant to live: cyclical, intuitive, sustainably powerful.

Try Intuitive Scheduling with us. We built it on the assumption that the answers already live in you.

Natalie Levy is the founder and managing partner of She’s Independent, a women-first angel investment community, and the author of Cash is Queen: A Conscious Journey in Angel Investing. She builds things that honor her journey and our collective stories as women.