Why perimenopause makes you wake up between 2am and 4am – and practical ways to stop it

When did ‘stress’ become such a permanent fixture in our vocabulary? And what if I told you a single hormone could be sabotaging your well-being… or acting as your greatest ally?

Only a few decades ago, many women navigated the menopause on their own with ‘less of a fuss’. Today, while we’re certainly more open about this stage of life, we also seem to be suffering more because of the fast pace of our modern times.

Our generation has arrived at the threshold of the menopause – that is, perimenopause – ostensibly better equipped. We have more information, more resources, and more of a voice. But we’re also under a lot more pressure. 

The mental load is relentless. Working days that feel like they’re 48 hours long, never-ending to-do lists, the kids, career goals, family commitments… It’s a constant race against the clock.

In the midst of this whirlwind, the body gets stuck in a permanent state of ‘fight or flight’. The result? Cortisol levels go through the roof. And that’s where the real trouble starts.

5 clues your body is stuck in emergency mode

When cortisol remains elevated for too long, the body starts sending out signals of exhaustion and dysregulation. Some of these signs may seem “normal” in daily life, but in the context of menopause, they are important clues:

• Waking up between 2am and 4am, with difficulty getting back to sleep.
• Constant fatigue, especially upon waking, as if you hadn’t slept a wink.
• Anxiety and palpitations, or that feeling of being in “alert mode” even for no apparent reason.
• Increase in abdominal fat, even if you are eating the same as always.
• Cravings for sugar, salt or caffeine, as if you needed a constant boost to function.

These signs are not body failures. They are messages, or warnings, that the system needs to adjust its rhythm and recover its balance.

Balancing your cortisol during the menopause isn’t just a lifestyle choice; it’s a physiological necessity. The body is effectively undergoing a complete structural clear-out and reorganisation. 

The ‘2am stress spike’: Why cortisol wakes you up during perimenopause

So what exactly is cortisol and what role does it play in our unwanted wake-up calls? Produced by the adrenal glands, cortisol acts as a chemical messenger designed to protect us during times of physical or emotional stress.

What’s often overlooked, however, is that menopause hormones aren’t the only root of the problem; they are the end result of a far more complex hierarchy starting in the central nervous system. 

In this chain of command, the initial signals don’t actually come from the hormones themselves, but from the brain and its bioelectrical and chemical environment. In fact, recent neuroscientific research has shown that during the menopausal transition, changes in our neurons actually occur before the hormonal shifts. 

When stress becomes chronic, the hypothalamic-pituitary-adrenal (HPA) axis is permanently switched on, sending cortisol levels through the roof. That elevated cortisol then begins to alter the brain – specifically areas like the hippocampus and the amygdala – which only serves to worsen anxiety, brain fog and sleep issues.

During the menopause, this axis is particularly vulnerable. The drop in oestrogen and progesterone, two vital modulators for the nervous system, effectively leaves the brain without its usual “buffer.” When you factor in inflammation and oxidative stress, our sensitivity to pressure skyrockets.

But here’s the most important bit we need to remember: this imbalance is temporary. The body is simply recalibrating. In post-menopause, many women actually find a deeper sense of physical and emotional fulfilment than they ever did during their fertile years. 

The trick is to support this transition with the right tools and an awareness that respects the body’s natural evolution.

Fix your gut to quiet your mind

As oestrogen and progesterone levels drop, the impact ripples beyond the nervous system, affecting other essential systems like the gut microbiome.

The gut microbiome – that vast ecosystem of microorganisms that influences everything from our mood and metabolism to inflammation – undergoes its own transformation. With less oestrogen to lean on, this ecosystem recalibrates, often losing its diversity and balance. 

This can trigger low-grade inflammation and a dip in the production of neurotransmitters like serotonin and GABA, which are crucial for keeping us feeling calm and collected. As a result, our perception of stress skyrockets and keeps the cortisol loop spinning.

Ultimately, getting cortisol under control does more than just quiet the mind and help you get a decent night’s sleep; it is the master key to restoring hormonal balance, sorting out your digestion and improving your overall well-being.

8 practical steps to find your balance and stop waking up at night:

1. Eat to stabilise blood sugar to prevent midnight spikes: Focus on whole foods packed with fibre, healthy fats, protein and essential nutrients like magnesium and B6. Try to cut back on white flour, refined sugar and ultra-processed “nasties” that trigger inflammation. And a big one: swap that first coffee on an empty stomach for a proper breakfast – it’ll steady your energy without sending your stress levels spiking.
2. Mind your gut health: Include fermented foods, plenty of fibre and targeted psychobiotics. These are brilliant allies for balancing your mood and settling the nervous system.
3. Try adaptogens: Herbs like Rhodiola, Mucuna, Schisandra, Tulsi or Passionflower can help take the pressure off your adrenals and improve how you handle emotional wobbles.
4. Get moving: Regular exercise – especially when paired with breathwork or meditation – is a fantastic way to regulate the nervous system, lift your mood, and protect your brain.
5. Prioritise proper sleep: Establish a relaxing bedtime routine, take magnesium in the evening and ditch the screens before bed. Deep, restorative sleep is absolute medicine for your hormones.
6. Don’t over-schedule your day: Keep things simple. Pick two or three main tasks, build in proper breaks, and give yourself a pat on the back for what you achieve rather than beating yourself up.
7. Connect with the outdoors: Get some sunlight, walk barefoot on the grass (grounding) and breathe in some fresh air. Aligning with natural rhythms regulates your cortisol better than any supplement ever could.
8. Feed your mind and soul: Read, get creative, practice gratitude and have a good laugh. Your emotional well-being is the foundation that everything else is built on.

So which will you try tonight?

About the writer: 

Andrea Carucci is a menopause and perimenopause expert, nutritionist and naturopath with more than 25 years of experience in the health and wellness sphere. She is also author of the Spanish-language books SOS, Menopause is on the Horizon, What Do I Do Now? (SOS, menopausia a la vista, ¿y ahora qué hago?) and The Fertility Kitchen (La cocina de la fertilidad).