Why Women May Need More Sleep Than Men

Have you ever gone to bed at the same time as your husband or partner, gotten the same number of hours of sleep, and wondered why you are still exhausted the next morning?

There may actually be biological reasons for that.

You'll often see headlines claiming that women need exactly 20 minutes, 30 minutes or even an hour more sleep than men. The research isn't quite that specific. There is no established scientific recommendation that every woman needs a set number of extra minutes of sleep simply because she's a woman. Current sleep guidelines recommend that healthy adults regularly get at least seven hours of sleep, without separate targets for women and men.

But that doesn't mean women and men experience sleep in exactly the same way.

Research increasingly shows important sex differences in sleep, and women are particularly vulnerable to sleep disruption during periods of hormonal change—including the menstrual cycle, pregnancy, postpartum, perimenopause and menopause. Women also report more insomnia and non-restorative sleep than men.

So rather than saying every woman needs exactly 30 extra minutes of sleep, I think the more useful conversation is this:

Women's bodies often place different demands on sleep, and many women may need more sleep—or more opportunity for restorative sleep—than they're currently getting.

Women's Hormones and Sleep Are Closely Connected

One of the biggest differences between women's and men's sleep is something women deal with throughout much of their lives: fluctuating reproductive hormones.

Estrogen and progesterone don't only affect reproduction. Hormonal changes are associated with differences in sleep quality, sleep architecture and the likelihood of sleep disturbances.

That means your sleep can change throughout your menstrual cycle.

It can change during pregnancy.

It can change dramatically after having a baby.

And then perimenopause arrives and changes the rules again.

This is one reason I don't look at poor sleep in a woman as simply a question of whether she's spending eight hours in bed.

We have to ask what is happening hormonally and physiologically during those eight hours.

Your Menstrual Cycle Can Affect How Well You Sleep

Some women notice that they sleep beautifully during one part of their cycle and terribly during another.

There is physiology behind that.

Research shows that reproductive hormones influence sleep throughout the menstrual cycle, with sleep disturbances particularly evident during certain phases. Changes in progesterone, body temperature and other physiological processes may all contribute.

Think about the woman who sleeps reasonably well most of the month but suddenly experiences restless sleep, vivid dreams, night waking or daytime fatigue right before her period.

She may technically be getting the same number of hours in bed.

But those hours don't necessarily feel equally restorative.

And if poor-quality sleep repeats month after month, that sleep debt can start to add up.

Then Perimenopause Changes Sleep Again

This is where I see sleep become a major issue for many women in my practice.

A woman who slept perfectly well throughout her 20s and 30s suddenly reaches her 40s and starts waking at 2:00 or 3:00 in the morning.

Sometimes she's hot.

Sometimes she's anxious.

Sometimes her heart feels like it's racing.

And sometimes she's simply wide awake staring at the ceiling thinking about something completely ridiculous from 2007.

Hormonal fluctuations during perimenopause are associated with an increased likelihood of sleep disturbances, and sleep problems become especially common during the menopausal transition. Hot flashes and night sweats can further fragment sleep.

A 2026 review reports that approximately 40–60% of women experience sleep disturbances during menopause, including insomnia and fragmented sleep.

This is why telling a perimenopausal woman to simply “get eight hours of sleep” can miss the point.

She may be trying to get eight hours.

Her body just isn't cooperating.

Women Are More Prone to Insomnia

Women are more likely than men to experience insomnia, particularly after reproductive hormones begin fluctuating. Research reviews have consistently found greater subjective sleep complaints among women even though some objective measurements suggest women may actually sleep slightly longer or have better sleep efficiency than men.

That sounds contradictory, but it tells us something important.

Sleep duration and restorative sleep aren't necessarily the same thing.

You can spend eight hours in bed and still wake up exhausted if your sleep is repeatedly interrupted or you aren't getting the restorative sleep your body needs.

That's why I pay attention to questions such as:

Do you wake throughout the night?

Do you wake between 2 and 4 a.m.?

Are you waking hot or sweating?

Do you have trouble falling back asleep?

Do you wake feeling refreshed?

Are you exhausted in the afternoon?

Do you need caffeine just to feel human?

Those details often tell me much more than simply asking, “How many hours do you sleep?”

Sleep Is When Your Body Does a Lot of Its Repair Work

Sleep isn't dead time.

While you're asleep, your body is actively regulating processes involving the nervous system, immune system, metabolism, cognition and tissue repair.

Regularly getting less than seven hours of sleep is associated with poorer health outcomes, including impaired immune function, reduced performance, increased errors and metabolic and cardiovascular concerns.

For women already juggling hormonal changes, stress, exercise, work, family responsibilities and everything else life likes to throw onto the calendar, cutting sleep is not always the harmless productivity hack it appears to be.

Sometimes sleep is the productive thing you're supposed to be doing.

Pregnancy and Motherhood Add Another Layer

Pregnancy can dramatically alter sleep.

Hormonal changes, increased urination, reflux, musculoskeletal discomfort, fetal movement and changes in breathing can all interfere with sleep. Research suggests sleep quality frequently worsens as pregnancy progresses.

Then the baby arrives.

And we all know what happens to sleep after that.

But even beyond infancy, caregiving responsibilities can continue to affect women's sleep. Population studies suggest that work and family responsibilities contribute to differences in sleep patterns between women and men.

So sometimes a woman's greater need for recovery isn't purely hormonal.

It's also that her sleep has been interrupted for years.

More Sleep Isn't Always the Answer

This is important.

If you're sleeping nine hours every night and still feel exhausted, I don't automatically want you sleeping ten.

I want to know why you're tired.

Persistent fatigue despite adequate sleep can be a reason to investigate things such as anemia or iron status, thyroid function, blood sugar regulation, nutrient deficiencies, medications, sleep apnea, restless legs syndrome and other medical issues.

Sleep apnea is especially worth mentioning because women don't always present with the stereotypical symptoms people associate with it, and its prevalence increases after menopause.

More time in bed can't compensate for an underlying problem that is preventing restorative sleep.

How Much Sleep Should Women Get?

There isn't one perfect number for every woman.

For adults in general, professional sleep guidelines recommend at least seven hours per night on a regular basis, and individual sleep needs vary.

Rather than obsessing over whether you need exactly seven, eight or nine hours, pay attention to how you function.

Can you wake naturally without feeling completely depleted?

Is your energy relatively stable throughout the day?

Can you concentrate?

Are you relying heavily on caffeine?

Do you feel sleepy while driving or sitting quietly?

Do you feel dramatically better when you allow yourself to sleep longer?

Your body gives you information too.

Dr. Stephanie's Tip: If you consistently wake up exhausted, try giving yourself a larger sleep opportunity for a couple of weeks instead of forcing yourself to survive on the minimum.

That might mean getting into bed 30–60 minutes earlier and seeing how your body responds.

But if you're giving yourself plenty of time to sleep and you're still exhausted—or you're waking repeatedly throughout the night—don't just assume you need more coffee.

Look deeper.

Poor sleep can sometimes be one of the first clues that something else has shifted, particularly during perimenopause.

What Chinese Medicine Says About Sleep

Chinese medicine also doesn't look at insomnia as one single condition.

One woman may wake hot, sweaty and restless.

Another may fall asleep easily but wake at 3 a.m. with her mind racing.

Another may feel exhausted all day but become strangely alert the moment her head hits the pillow.

Those aren't necessarily the same Chinese medicine pattern.

Depending on the entire presentation, sleep disturbances may traditionally be associated with patterns involving Heart Blood deficiency, Heart Yin deficiency, Kidney Yin deficiency, Liver Qi stagnation, Liver Fire, Spleen deficiencyor other patterns.

That's why I don't simply treat “insomnia.”

I look at the person experiencing the insomnia.

Women Don't Need to Earn Their Sleep

We live in a culture that sometimes treats functioning on very little sleep like an accomplishment.

It's not.

Women's sleep is influenced by a complex combination of hormones, circadian biology, life stage, health conditions and daily responsibilities. Research doesn't support the catchy claim that every woman needs exactly X minutes more sleep than every man, but it does show meaningful differences in how women experience sleep and their vulnerability to sleep disturbances across the lifespan.

So if your body seems to function best with eight or nine hours while someone else feels great with seven, that doesn't mean you're lazy.

It may simply mean that's what your body needs to feel restored.

FAQ

Do women need more sleep than men?

There isn't a scientific recommendation stating that every woman needs a specific number of additional minutes of sleep compared with men. However, hormonal changes, pregnancy, caregiving, menstrual cycles and the menopausal transition can all affect women's sleep quality and their need for recovery.

How many hours of sleep do women need?

Most healthy adults should regularly get at least seven hours of sleep, although individual needs vary. Some women may feel and function best with eight or nine hours, particularly during times of increased physical or hormonal demands.

Why do women have more trouble sleeping than men?

Women experience insomnia more frequently than men. Hormonal fluctuations throughout the menstrual cycle and during pregnancy, perimenopause and menopause can contribute to sleep disruption. Stress, caregiving responsibilities and certain health conditions can also affect sleep.

Why does perimenopause cause sleep problems?

Fluctuating reproductive hormones, hot flashes, night sweats and changes in mood can all contribute to disrupted sleep during perimenopause. Some women begin waking during the night even if they previously slept well.

Can low estrogen affect sleep?

Changes in estrogen during the menopausal transition are associated with changes in sleep and can occur alongside hot flashes, night sweats and other symptoms that interfere with restorative sleep.

Why am I still tired after sleeping eight hours?

Sleep duration isn't the same as sleep quality. Frequent waking, sleep apnea, restless legs, hormonal changes, iron or thyroid issues and other factors may leave someone tired despite spending enough time in bed.

At New Direction Natural Medicine in Altamonte Springs, I work with women experiencing poor sleep, fatigue and hormonal changes using acupuncture, Chinese medicine and functional medicine. Rather than looking only at the number of hours you're sleeping, I look at the bigger picture—including hormones, nutrition, stress, digestion and your individual Chinese medicine pattern—to help understand why your sleep isn't leaving you feeling restored.