Have you found yourself wondering why everyday life suddenly feels so much harder to cope with?
Perhaps you used to be the person who held everything together. You managed work, family, relationships, responsibilities and everyone else’s needs. Life may have been busy and stressful, but somehow, you coped.
Now, a slightly stressful email can derail your morning. Too much noise feels unbearable. A change of plan can tip you over the edge. You might feel anxious about things that never used to worry you, become overwhelmed by simple decisions or cry at the smallest thing.
You may be exhausted but unable to switch off. Irritable without knowing why. Less able to multitask. More sensitive to noise, people, pressure and demands.
And perhaps you’ve started asking yourself:
Why can’t I cope like I used to? What is wrong with me?
In this episode of Empowered Perimenopause, I want to reassure you that this isn’t a personal failing. You haven’t suddenly become weak, incapable or less resilient.
There are very real physiological reasons why your ability to manage stress can change during perimenopause — and your nervous system is a huge part of the picture.
Perimenopause is a whole-body shift
In last week’s episode, we explored why perimenopause isn’t simply about changing reproductive hormones. It is a whole-body transition that can affect your brain, nervous system, metabolism, immune system, sleep, mood and stress response.
In this episode, we’re zooming in on one of the biggest parts of that whole-body shift: your nervous system.
Your nervous system is like your body’s communication network. It includes your brain, spinal cord and a huge web of nerves carrying messages throughout your body.
One part of this network is the autonomic nervous system. “Autonomic” essentially means automatic: it manages many of the processes you don’t have to consciously think about, including your heart rate, breathing, digestion, blood pressure and body temperature.
It has two main branches that work together to help you respond to what is happening around you.
The sympathetic nervous system, often called “fight or flight”, increases alertness and prepares your body for action when there is pressure, demand or danger.
The parasympathetic nervous system, often referred to as “rest and digest”, helps your body settle once the demand has passed. It supports digestion, repair, recovery and sleep.
We need both of these systems. The aim isn’t to feel completely calm and relaxed all the time. A healthy nervous system needs to be able to move into activation when action is required and then return to a calmer, more restorative state afterwards.
But during perimenopause, this balance can become harder to maintain.
Why stress can feel louder during perimenopause
Oestrogen and progesterone do much more than regulate your menstrual cycle. They also interact with the brain and influence the systems involved in mood, sleep, emotional regulation, cognition and the stress response.
During perimenopause, hormone levels don’t simply decline in a smooth, predictable way. They can fluctuate significantly from one day or cycle to the next.
These fluctuations can affect brain chemicals involved in mood and calm, including serotonin and GABA. They can also influence the systems that regulate the body’s response to stress.
This means your nervous system may become more sensitive and reactive. Stressors that you would once have absorbed or recovered from relatively easily can begin to feel much bigger.
It is a little like having a smoke alarm that has become more sensitive. Its purpose is still to protect you, but it may now respond not only to a fire but to slightly burnt toast.
The stressor itself might not have changed. Your body’s response to it has.
Why anxiety can appear in perimenopause
For some women, anxiety is one of the first signs that something is changing.
You might experience:
- A persistent sense of dread.
- Racing thoughts or constant overthinking.
- Waking with anxiety during the night or early morning.
- Heart palpitations or a pounding heart.
- Feeling unable to take a satisfying breath.
- A sudden loss of confidence.
- Becoming fearful about driving, travelling, work or social situations.
- Feeling physically unsettled or unsafe without knowing why.
Anxiety isn’t only a collection of worried thoughts. It is also a physical state.
Sometimes the body produces the sensation of alarm first, and the mind then tries to find a reason for it. Your thoughts may partly be an attempt to explain why your body already feels activated.
Hormonal changes aren’t always the only cause of anxiety, of course. Life circumstances, physical health, personal history and current pressures all matter. But hormonal fluctuations can change the nervous system’s response to those pressures.
A workload or responsibility that was already stretching you may suddenly become much harder to manage because your body no longer has the same buffer around it.
Why you can feel “wired but tired”
One of the most frustrating experiences during perimenopause is feeling completely exhausted but unable to switch off.
You may drag yourself through the day only to feel more alert when you get into bed. Your body is tired, but your mind keeps racing. Or you might fall asleep from sheer exhaustion, then wake at 3 or 4 a.m. feeling suddenly alert or anxious.
Tiredness and nervous-system activation can exist at the same time.
Being exhausted doesn’t automatically mean your body feels settled enough to rest. If your nervous system remains highly activated, it may continue scanning, thinking and preparing even when your energy reserves are low.
This can create a difficult cycle:
- Hormonal changes and stress disrupt sleep.
- Poor sleep makes the nervous system more reactive.
- Greater reactivity increases anxiety and overwhelm.
- Increased activation makes restorative sleep more difficult.
- A lack of sleep further reduces your ability to cope.
This is another example of why perimenopause symptoms shouldn’t be viewed in isolation. Your hormones, nervous system, sleep, mood and energy are all interconnected.
Why overwhelm and sensory sensitivity become so common
Perhaps you’ve noticed that background noise now feels unbearable, busy shops leave you drained or several people talking at once makes you want to escape.
You may find constant notifications, decisions and interruptions increasingly difficult. Multitasking becomes harder, and even enjoyable plans can feel like another demand.
When your nervous system is already carrying a high level of activation, your capacity for additional input is lower.
The seemingly small thing that triggers your reaction is often just the final demand placed on an already overloaded system. The cup isn’t overflowing because the last drop was unusually large. It is overflowing because the cup was already full.
Cognitive changes can contribute to this too. If concentration, working memory and executive function are temporarily less reliable, ordinary tasks can require more conscious effort. That additional effort can increase both mental fatigue and overwhelm.
Why you may cry more easily or feel more irritable
During perimenopause, you might find yourself crying at an advert, feeling deeply affected by criticism or becoming emotional before you have even worked out exactly what you’re feeling.
For other women, the emotion appears as irritability, anger or rage.
This doesn’t mean your feelings are false or irrational. Changes within the brain and nervous system may reduce the emotional buffer that once helped you contain and regulate them.
Perimenopause may turn up the volume, but that doesn’t mean the underlying message should be ignored.
Sometimes your irritability is communicating something important:
- You are overstretched.
- You need more rest.
- You don’t have enough space.
- You are carrying too much responsibility.
- You have been overriding your own needs.
- Something in your life is no longer working for you.
The answer isn’t always to learn how to tolerate more. Sometimes it is to listen to what your body and emotions are trying to tell you.
Have you really become less resilient?
Many women interpret these changes as evidence that they have lost their resilience. But perhaps we need to reconsider what resilience actually means.
Resilience is not the ability to keep going indefinitely, regardless of the strain placed on your body.
You may not have lost your resilience. You may have lost some of your capacity to continually override your body’s signals.
For years, your ability to “cope” may have relied partly on adrenaline, urgency, people-pleasing, over-responsibility or ignoring your own fatigue and needs. Perimenopause can make those strategies much less sustainable.
That isn’t a failure. It is information.
Perhaps resilience in midlife isn’t about becoming better at tolerating what depletes you. Perhaps it means recognising your limits earlier, recovering more deliberately and becoming more discerning about where your energy goes.
Supporting your nervous system during perimenopause
Supporting your nervous system doesn’t mean adding an enormous list of wellness practices to an already overwhelming life.
It also isn’t about using breathing exercises to make an unsustainable workload feel tolerable.
Nervous-system support begins with looking at the total load your body is carrying.
That may include simplifying or delegating where possible, questioning which tasks are genuinely urgent and creating more realistic expectations for this season of your life.
Regular, predictable moments of recovery can also help your body feel safer and more supported. These might include:
- Eating regular, balanced meals.
- Getting outside in natural daylight.
- Choosing movement that supports rather than depletes you.
- Creating quieter transitions between activities.
- Reducing stimulation in the evening.
- Spending time with people who help you feel safe and understood.
- Prioritising sleep and recovery.
- Noticing whether caffeine or alcohol aggravates your symptoms.
- Using slow breathing, particularly a relaxed, longer exhale.
It can also be helpful to observe your own patterns. Does your capacity change at particular points in your cycle? Does overwhelm increase after poor sleep or long gaps between meals? Which situations create the greatest sensory or emotional load? What genuinely helps you recover?
You don’t need to monitor yourself obsessively. The aim is simply to understand that your capacity may now vary, and to begin working with your body instead of continually pushing against it.
This isn’t a personal failing
Your body may now need more support, more recovery, clearer boundaries and fewer demands than it once did. Listening to that isn’t weakness. It is part of learning how to work with your body through this transition, rather than continually pushing against it.
If you’ve been wondering why you can no longer cope in the way you used to, I hope this episode helps you understand that this isn’t a reflection of your strength, capability or resilience.
Your nervous system is responding to a significant whole-body transition, often during an already demanding stage of life.
In this episode, you’ll learn:
- How the autonomic nervous system responds to stress and supports recovery.
- Why hormonal fluctuations can make your nervous system more sensitive.
- Why everyday stress can suddenly feel louder during perimenopause.
- How anxiety can begin in the body before the mind finds a reason for it.
- Why you can feel exhausted and overstimulated at the same time.
- Why noise, decisions, interruptions and social situations can become overwhelming.
- Why you may cry more easily or experience increased irritability.
- Why struggling to cope doesn’t mean you have become less resilient.
- How to support your nervous system without turning self-care into another job.
I hope you enjoy the episode and find it helpful 🙂
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