There usually isn’t a clear moment where you can say, that’s when my energy changed.
It tends to happen more quietly than that. Gradually. In the background of your life.
At first, it’s easy to explain away. You’re still getting through your days. Work gets done. People are taken care of. From the outside, everything appears fine.
But something starts to feel different.
It doesn’t hit you all at once though. It’s more like a slow shift you can’t quite put your finger on.
You’re more tired at the end of the day. Mornings feel harder to get going. Things that used to feel easy take more effort to start and even more effort to complete.
And then at some point, you notice it more clearly.
You feel flat. Drained in a way that even a good night’s sleep doesn’t fully fix. Like your energy has slipped, without you being aware of exactly when it happened.
We’re taught to look for one cause
Most people are conditioned to look for a single explanation.
Poor sleep. Hormones. Stress. Not enough exercise.
And while all of those can matter, this way of thinking often misses what is actually happening. How are we supposed to understand without any information?
In midlife, fluctuating estrogen levels during perimenopause can affect sleep, mood, and energy. But fatigue is rarely coming from one place – it’s coming from the overlap.
Multiple systems. Multiple roles. Multiple demands happening at the same time.
So even when one thing improves, energy doesn’t necessarily follow.
The energy that isn’t visible
There’s the visible part of life. Deadlines, schedules, responsibilities.
Then there’s everything underneath it.
The mental tracking. Planning. Remembering what hasn’t happened yet.
We are constantly holding the details that keep everything moving.
We make sure people are okay. We anticipate what’s next. We carry what no one else sees.
This is the mental load, and it doesn’t get acknowledged in the same way, but it still uses energy every single day. Over time, it adds up.
“There’s always something to think about, something to organize, someone to support.”
When the brain stays on
A big part of this fatigue is cognitive load. Not just what someone is doing, but how much they are holding in their mind at once.
Decisions stack up. What needs attention now, what can wait, who needs something.
And with constant switching between roles, there’s little space for the brain to reset.
This can show up as mental fog, especially later in the day. Simple decisions feel harder. Tasks take more effort to start.
It’s easy to think this is motivation, however, more often it’s sustained demand without enough recovery.
The stage of life that shifts everything
Midlife isn’t just a hormonal transition. It’s a life-stage shift. For many women, care starts moving in two directions. Children still need support while parents begin to need more.
At the same time, careers are often at a peak, with expectations to lead and perform. All of this is happening with less margin for recovery than before.
More responsibility and complexity but with the same expectations.
What this can look like in real life
I experienced this first-hand last year. We decided we needed a change. On paper, everything looked like progress.
There was a big move. Renovations. Selling a home. Relocating to a new city. At the same time, it meant helping a daughter start her first year of high school somewhere new, without knowing anyone.
It also meant being closer to parents, which came with being more available as their needs started to shift.
Individually, each of these things felt manageable. Even meaningful.
But together, they started to feel like a lot. There was always something to think about. Something to organize. Someone to support.
No clear start. No clear finish. Just this constant, low-level demand on attention and energy that never fully turned off.
The pressure to keep going
There isn’t always space to say, this feels tough right now.
So many women adjust quietly. They push through and keep going.
Being busy is normalized. Productivity reflects value. Rest feels like something to earn.
A different way to understand fatigue
Fatigue is often treated as something to fix. But it can also be information. A signal that the current load may not be sustainable.
In midlife, energy is shaped by more than sleep or activity. Hormonal shifts, sleep changes, and cognitive and emotional load all play a role.
When these overlap, fatigue can feel disproportionate to what is visible.
The takeaway
Jacquie Court
Writer, Content Lead
Jacquie Court co-founded She2.0, a platform supporting women navigating midlife, menopause, and health, aiming to remove stigma and “filters” around these experiences. Through her work, Jacquie connects women with trusted experts and builds engaged communities that empower them to feel informed, supported, and confident. She believes that access to the right information empowers women to advocate for their health and redefine midlife on their own terms.