When your cycle makes you sweat: Hot flashes & night sweats during your period and what really helps
We talk a lot about period pain and mood swings. But what about sudden hot flashes? Sweating? Night sweats that make you wake up drenched?
If you feel like your body is running a sauna marathon during your period, you are not alone.
Many menstruators experience exactly that – but hardly anyone talks about it. It's important to understand: sweating during your period is hormonally induced – and there are ways to deal with it better.
What exactly are hot flashes and why do they happen now of all times?
Hot flashes are sudden feelings of warmth, often accompanied by facial redness, palpitations, and profuse sweating. They usually last a few minutes – but can be very uncomfortable.
What's behind it?
Your hormone balance is in constant flux, especially just before and during your period.
When estrogen and progesterone levels drop, your brain's temperature center experiences a small hormonal "shock."
This center, the hypothalamus, then thinks: "Warning, overheating!" and activates sweat production.

Are hot flashes during your period normal?
Yes, even though we often associate them more with menopause, they are not uncommon during reproductive age either.
Estrogen levels drop during your cycle, especially just before your period. This can manifest as sweating or feelings of heat and is usually not a cause for concern.
Hot flashes primarily occur during phases of hormonal changes.
These include:
- before your period
- when discontinuing hormonal contraception
- after childbirth
- or with PMS
So, if you sweat due to your cycle: This is not a sign of "abnormality," but a reflection of your hormone balance.
Why do we sweat at night, especially in summer?
"I wake up feeling like I've run a marathon..."
Does this sound familiar? Then you're not alone. Night sweats can be caused by:
- hormonal fluctuations
- a slightly elevated body temperature
- or even a faster pulse during menstruation
Your body is working overtime, and the warmer your bedroom, the more pronounced these symptoms can be.
And that makes the night anything but restful.
Cycle & Thermoregulation: When Hormones Trick the Body
Between ovulation and menstruation, your core body temperature rises by about 0.3 - 0.5 °C. This may be barely noticeable, but in a heatwave or under the duvet, it can make all the difference.
Shortly before your period, estrogen levels drop. And this hormone is central to regulating your body temperature. If it drops rapidly, your body cannot adequately compensate for these sudden temperature changes, and you sweat more.
What to do about hot flashes during your period?
Here is a list of strategies derived from research and the experience of gynaecologists:
1. Choose clothing & bedding consciously
Breathable fabrics like cotton, modal, or TENCEL™ regulate heat best. Avoid synthetic fabrics that retain moisture.
2. Lower the bedroom temperature
Ideal temperatures are 16 - 18 °C. Airy blankets, cool bedding, and possibly a fan can help with this.
3. Make your diet hormone-friendly
A balanced diet and foods such as flaxseeds, green vegetables, whole grains, as well as the integration of healthy fats and B vitamins can help you stabilise your hormone balance.
4. Calming evening routine
Stress increases internal temperature. Breathe deeply, dim the lights, take a lukewarm bath, or meditate.
Bonus tip: Pay attention to your cycle patterns
If hot flashes always occur during certain phases of your cycle, you can take targeted countermeasures and better prepare your body for the night. For example:
ooia Period Panties: Protection & Breathability in One
If you sweat during your period, especially at night, comfortable clothing is particularly important.
And that's exactly what our ooia period panties were developed for.
They combine reliable leak protection with breathable materials, so you can feel dry and secure, without heat build-up.
The outermost layer consists of a liquid-impermeable membrane that reliably protects you. At the same time, it is breathable, just like all other layers. This means: no heat, no sweating, no unpleasant damp feeling.
Depending on the model, ooia period underwear holds up to 10 tampons of liquid, providing you with reliable leak protection all night long. Even if you move a lot in your sleep, it won't easily slip, hopefully helping you to a more peaceful sleep with one less worry.
You deserve to feel good, even when your cycle is playing up.
A period is more than just blood. It's hormone chaos, sleep disturbance, hot flashes, but also self-care, body awareness, and empowerment.
You have the right to feel comfortable and secure.
Even at night. Even in mid-summer. Even when you're sweating.
With the right knowledge and the right tools, your cycle won't become a burden, but a conscious companion.








