Why the same exhausted-but-alert feeling turns up postpartum, before your period and in perimenopause, and how to take back the evening even when you cannot change the cause

By Anna Cave-Bigley

It is 3am and I am wide awake. Not pleasantly, not usefully. Bone-tired, wrung out, desperate for sleep, and yet my eyes are open and my mind has decided this is a perfectly reasonable hour to run through every conversation I have had since Tuesday. Too tired to function, too wired to sleep. If you know it, you really know it.

I have met this state in three completely different seasons of my life, for three different reasons, and it took me far too long to notice they were the same animal wearing different coats. Here is what is going on, and the part that matters most: what you can do about the night even when you cannot do much about the cause.

What wired but tired is

Strip it back and it is a nervous system that has not got the message that the day is over. Your body runs on a daily rhythm of cortisol, your main alerting hormone. It is supposed to sit low through the night and climb towards morning to wake you up. When that rhythm gets nudged forward, or when stress keeps your system on alert, you get the cruel version: you fall asleep from sheer exhaustion, then snap awake in the small hours as if someone flipped a switch, heart going, brain on.

That is the 3am wake. It is not a personal failing or a sign you are bad at sleeping. It is an alerting system firing at the wrong time, and the reasons it fires change depending on which hormonal season you are in.

Three seasons, one feeling

The first time it had me was postpartum. You are running on broken sleep already, but it is more than the broken nights. New motherhood wires you for vigilance, one ear always open for the baby, and the body holds itself in a state of readiness that does not switch off just because the baby has finally gone down. You are exhausted and on guard at the same time, which is wired but tired in its purest form.

The second was the luteal phase, the week or so before my period. After ovulation, progesterone rises, and progesterone is one of your most sleep-friendly hormones, working on the same calming GABA system in the brain that many sedatives target. Then, in the days before your period, it drops away. That withdrawal is enough to fray sleep, which is why both oestrogen and progesterone are positively linked to sleep quality, and why the premenstrual 3am wake is so common.

The third is perimenopause, which I am watching arrive in friends and will meet myself. Here oestrogen and progesterone do not just fall, they swing wildly before they go, melatonin starts to dip, night sweats arrive, and cortisol tends to creep up. Sleep problems affect a large share of women through the menopausal transition, and most are told it is simply part of getting older. It is not something you have to accept.

The thread running through all three is the same. When the calming hormones leave or lurch, sleep frays. You cannot always change the driver, the newborn, the cycle, the transition. But the evening is yours, and the evening is where you win this.

What is safe, and what works

Think of it as stacking the odds before your head hits the pillow.

Bank the early hours. Your deepest, most restorative slow-wave sleep is front-loaded into the first cycles of the night. A late bedtime does not just cost you hours, it trades away the best ones. Getting to bed earlier is the least glamorous and most effective thing on this list.

Move your last coffee earlier than feels necessary. Caffeine has a half-life of around five to six hours, which means half of your 3pm cup is still circulating at 9pm. In a controlled study, 400 mg of caffeine taken even six hours before bed cut total sleep time by more than an hour, and the people in it often did not notice their sleep was worse. Cut it off by early afternoon, and earlier still if you are sensitive or perimenopausal.

L-theanine, for the keyed-up evening. This is the amino acid in green tea that takes the edge off without sedating you. In a randomised trial, 200 mg of L-theanine improved sleep quality and lowered anxiety against placebo. It is also a neat partner for the one coffee you do keep, because it softens the jitter.

Magnesium glycinate, with honest expectations. The evidence here is modest, not miraculous: a meta-analysis found magnesium helped people fall asleep somewhat faster, and a recent trial of magnesium bisglycinate eased insomnia symptoms, with the biggest gains in people who were low in magnesium to begin with. The glycinate form is the gentle one, far less likely to send you to the bathroom than the cheap forms. Worth a try, especially if your diet is light on greens, nuts and seeds.

A real hard stop. The nervous system needs a clear signal that the day has ended. Phone out of the room, lights down, and a cue you repeat every night until your body reads it as the off switch. For me that cue is a cup of The Calm, a caffeine-free evening tea built from herbs traditionally used to help the body settle and unwind into sleep. It is not a sedative and it is not a fix for the hormone that woke you. It is the full stop at the end of the day, and the ritual matters as much as the cup.

And a word on what is safe at night while feeding, because most blanket advice gets this wrong. The honest theme across nearly all of these is the same one: formal studies in breastfeeding are thin, so the sensible path is low doses, short stretches, and a conversation with your provider, rather than either a scare or a green light.

A couple of distinctions worth holding. The energising adaptogens, rhodiola among them, are a daytime story, not a bedtime one. Rhodiola lifts energy and can fray sleep if taken late, so the evening is the wrong slot for it anyway. It also carries centuries of traditional use as an adaptogen, including through the postpartum and breastfeeding period, and many practitioners who work with feeding mothers treat it as compatible. Formal lactation data is limited, and pregnancy is the firmer no, so it is a decision to make with your own provider, but it is not the bogeyman it gets painted as, and if you take it, the morning is its place. The daytime side of this gets its own piece.

At night, the ones to be more careful with are the sedating sleep aids. Valerian has almost no safety data in nursing mothers and a theoretical concern attached to some of its compounds, so it is often the one to skip while you have a newborn. Melatonin is gentler on the evidence: it is a natural part of breast milk, and occasional low evening doses appear unlikely to harm a nursing baby, but the data is thin, the high doses sold over the counter are the real question mark, and there is a possible knock-on for milk supply, so low and occasional is the rule if you use it at all. Prescription sleeping pills are a conversation with your doctor, full stop. None of this is cause for fear. It is cause for choosing on what is known, with the person who knows your situation.

This is the night-time half of a pair. There is a companion piece coming on daytime energy and structure, the productivity side of the same coin. That one is about how you run the day. This one is about protecting the night, and the two hold each other up.

When to take it further

A rough patch of broken sleep is part of every one of these seasons and usually passes. But if the 3am wake is relentless, if it has gone on for weeks and is wrecking your days, it is worth raising with your GP rather than white-knuckling it. Insomnia is underdiagnosed in women, especially in midlife, and there are proven treatments, talking therapy for insomnia chief among them. Exhaustion is not a personality trait you have to keep.

You may not be able to switch off the hormone that woke you at 3am. But you can build an evening that gives your body its best possible shot, and most of the work is done before midnight. Start tonight with the simplest move on the list: the coffee you stop earlier than you think you need to.

Anna x

The science, sourced

• The hormone and sleep link across the cycle and the transition: The role of ovarian hormones in the pathophysiology of perimenopausal sleep disturbances, a systematic review and Sleep Disturbance and Perimenopause, a narrative review

• Caffeine timing and sleep: Drake et al., Caffeine effects on sleep taken 0, 3, or 6 hours before going to bed

• L-theanine, stress and sleep: Hidese et al., Effects of L-theanine administration on stress-related symptoms and cognitive functions in healthy adults, a randomised controlled trial

• Magnesium and sleep: Mah and Pitre, Oral magnesium supplementation for insomnia in older adults, a systematic review and meta-analysis

• Sleep aids while breastfeeding: Melatonin, Drugs and Lactation Database (LactMed) and Valerian, Drugs and Lactation Database (LactMed)

DISCLAIMER

The SABI blog and articles are not meant to instruct or advise on medical or health conditions, but to inform. The information and opinions presented here do not substitute professional medical advice or consultations with healthcare professionals for your unique situation.

ABOUT ANNA

Anna is a Co-founder of The SABI and has spent the past 13 years working in or for governments, senior businessmen and politicians around the world. Living in Bogota, Colombia, she recently renovated one of Colombia's oldest and most iconic coffee estates, developing a unique taste and travel experience. She lives with her husband and three boys Lorenzo, Alfie and Salvador who are responsible for the beautiful journey that inspired her to pursue The Sabi.

HORMONAL & PROUD

The SABI was created to help women through the hardest moments of pregnancy, childbirth, postpartum and every stage that follows. We want to change the story around our hormones, from one of taboo, embarrassment and loneliness to one of awareness, and even pride.

More than a wellness brand, The SABI is a line of rituals, supportive tools and functional herbal remedies, tested by hundreds of years of traditional medicine and now backed by modern science. It was conceived by women who have lived the joys and the deeper costs of bringing a child into the world, of a heavy or difficult period, of miscarriage and trouble conceiving.

Consider this an invitation to know your body and its cycles, to learn to work with them at any stage of life, and to know that support exists. Look for the right sources, know there is help, and know that you are not on your own.