Why You Feel Chills Then Sweats at Night

Have you ever felt warm and cold at the same time? It often happens right when you settle in for bed.

I've felt warm shivers myself, especially during menopause-related hot flashes. My body felt hot on the outside. Inside, I felt cold. I wanted to understand why.

The truth is simple. What you feel doesn't always match your body's real core temperature. According to Cleveland Clinic, your body's internal "thermostat" is very sensitive.

Even a small shift can make you feel cold inside, even when your temperature is normal. Nighttime sweats and chills are common at certain stages of the menopausal transition.

Our menopause timeline and stages guide can help you see where you might be.

Many people look for healing frequencies or natural sound therapy. They want gentle, non-medical ways to feel calmer at night. That same curiosity led me to explore this path myself. That is why I wrote this guide.

 

So why do you feel chills at night? Most nighttime chills happen when your body's temperature control system reacts to a small change. Hormone shifts, like those tied to menopause, are one of the most common triggers. Stress, your sleep environment, and certain health conditions can add to the pattern. Once you understand what is driving your chills, they become much easier to manage.

Night Sweats vs. Hot Flashes: What's the Difference?

Hot flashes and night sweats are often the same thing, just with different names. Doctors call both vasomotor symptoms. A hot flash happens during the day. Experiencing night sweats is the identical response that happens as you sleep.

Both start with a sudden signal from your brain's temperature center. That signal tells your body to release heat fast. This is why you may feel a rush of warmth, then a wave of sweat, then chills as your body cools back down.

This pattern is extremely common. Most menopause health resources say up to 75 to 80 percent of women have hot flashes. They may also have night sweats during perimenopause or menopause.

For many, symptoms last about seven years on average, though some notice them for longer.

According to Cleveland Clinic, symptoms like these can begin years before menopause itself. Sometimes as early as your 40s. Knowing this timeline can make the pattern feel less confusing.

 

Here's the exact chain of events in your body, from the hormone shift that starts it to the rush of heat and the chill that follows.

Common Causes of Nighttime Chills and Sweats

Menopause is not the only reason for chills and sweats. A bacterial infection, a viral infection like the flu, or another health issue can cause similar symptoms. It helps to look at the full picture before assuming hormones are the cause.

Several factors may explain why you feel chills then sweats, nighttime chills that won't settle, or chills while sleeping that come in waves:

• Hormonal changes: Menopause, thyroid shifts, and other hormone imbalances often create unpredictable temperature sensations, especially at night.
• Stress and anxiety: When your nervous system is overactive, your body may trigger sweating and chills as part of the "fight-or-flight" response. Panic attacks can cause this same reaction.
• Infections or immune responses: A bacterial or viral infection can trigger your immune response. This can raise your temperature to help fight germs. This often leads to sweating and chills as the fever breaks.
• Poor circulation: Cold hands or feet, paired with overall body warmth, can signal poor blood flow.
• Low blood sugar: A drop in blood sugar overnight can cause cold sweats and shakiness. Skipping dinner or eating very late can make this more likely.
• Thyroid changes: An overactive thyroid speeds up your body's processes. This can raise your body heat and trigger sweating, even at night.
• Sleep apnea: This common sleep condition causes frequent night sweats. Loud snoring or gasping for air are other signs worth noting.
• Acid reflux: Reflux that flares up at night can disturb sleep and trigger sweating for some people.
• Alcohol and caffeine: Both can affect your body's temperature control. Having either close to bedtime may make chills or sweats more likely.
• Certain medications: Some antidepressants, blood pressure medications, and pain relievers list night sweats as a possible side effect.

The National Center for Biotechnology Information (NCBI) explains how your body's thermostat works. Knowing this helps you tell when a change is normal or needs medical help.

 

Here's the actual chain of events happening in your body each time this happens.

What Happens to Body Temperature While Sleeping?

Did you know your body temperature drops during sleep? This cooling process signals your brain that it's time to rest. That is why many people feel cold when they wake, even under cozy blankets.

Night sweats can also happen because of stress, hormonal shifts, or even what you ate before bed.

I noticed that whenever my body felt unbalanced, I'd wake up drenched in sweat but freezing. Chills would follow soon after, along with a vibrating feeling in my body.

That's when I knew I needed a natural solution that worked with my body's rhythms.

Body weight can play a role too. Some research links higher body weight to more frequent hot flashes and night sweats. This isn't about blame. It's simply useful information as you look for your own patterns.

If your body temperature swings show up during the day too, our guide to regulating your body temperature looks at this in more depth.

 

Here's a quick side-by-side of how a daytime hot flash compares to a nighttime sweat, since they come from the exact same signal in your body.

How to Stop Night Sweats: Natural Ways to Cool Down

If you're wondering how to stop night sweats, here are some easy, natural tips to cool your body and feel better:

1. Hydrate often: Water helps your body regulate internal temperature.
2. Use breathing techniques: Slow breathing calms your nervous system and can ease temperature swings.
3. Choose breathable fabrics: Moisture-wicking or cotton pajamas pull sweat away from your skin. Lightweight layers also let you adjust quickly.
4. Set up a cooling sleep space: Aim for a room around 65°F. A fan, a cooling pillow, or a moisture-wicking mattress pad can help even more.
5. Try a cool bedtime routine: A cooler bedroom helps keep nighttime temperatures steady and may reduce night sweats.
6. Support circulation: Gentle stretching, yoga, or sound therapy may help your body feel balanced.
7. Keep a simple symptom log: Write down when your chills or sweats happen. Note what you ate, drank, or felt that day. Patterns often become clear after a week or two.

If you also have daytime hot flashes, see our guide to hot flash remedies. It shares relief options that work all day and night.

When to See a Doctor

 

Use this quick guide to see whether your symptoms point to a normal hormonal shift or a reason to check in with your doctor.

Most nighttime chills and sweats are normal as your body adjusts to hormonal changes. Even so, a few patterns point to a different health issue and are worth a closer look. 

Talk to your doctor if night sweats happen almost every night, soak through your sheets, or come with a fever. These signs can point to something beyond a typical hormonal shift.

Sudden weight loss, ongoing fatigue, or chills with no clear pattern also deserve a professional opinion. A doctor can help rule out thyroid issues, infections, or other causes.

A few other signs are worth mentioning at your next visit too. These can include swollen glands in your neck or underarms, a cough that won’t go away, or sudden chills and sweats.

Seek health care right away if chills or sweating ever come with chest pain, feeling short of breath, or a racing heartbeat.

WAVwatch supports general wellness, but it does not replace medical evaluation or treatment.

My Journey with Sound Therapy

As the inventor of the WAVwatch, I've explored how natural frequencies can support body comfort. This sound therapy device delivers gentle sound waves through the skin. People also call this approach sound wave therapy.

I noticed that my alternating hot and cold sensations became less disruptive once I started using the watch.

The frequencies helped calm my nervous system. They also seemed to support better circulation. Over time, I could feel my body's internal balance returning.

Science is beginning to explore how sound therapy affects the nervous system. By working with your body's natural rhythms, it may help reduce stress responses that contribute to temperature swings.

I noticed my hot and cold sensations bothered me less after I started using the Sleep and Cycle Support Frequency Sets.

If a busy, wired-feeling mind is part of what keeps you up, it helps to look at the bigger picture too. Our guide to calming the nervous system naturally covers additional habits that pair well with sound therapy.

Wearable Technology and Health Wearables

I created the WAVwatch to offer a wearable technology device option for natural health. Many fitness trackers just measure things like heart rate. This watch is different. It delivers supportive sound frequency patterns directly to your body.

More people are using technology for natural wellness. They choose smart rings to track sleep. They choose other devices to monitor heart rhythm.

The WAVwatch is unique because it is a sound therapy device. It does more than track symptoms. It helps your body stay balanced by using specific frequencies.

Natural Paths to Wellness

I believe strongly in natural paths to wellness. Technology is wonderful, but it should support your body's own healing capacity, not replace it.

Alongside sound therapy, I encourage habits like:

• Eating whole foods: Real, simple foods support steady energy balance through the day.
• Gentle movement: Walking or tai chi keeps your body active without added stress.
• Gratitude and mindfulness: A few quiet minutes a day can calm a busy mind.
• Spending time outdoors: Daylight helps regulate your circadian rhythm.

These simple steps, plus helpful devices like a sound therapy device, can support a stable wellness routine.

Struggling to sleep through the night? Learn how to get more REM sleep naturally alongside managing your symptoms.

Final Thoughts

If you feel simultaneous heat and cold in your body, or you keep waking up with chills at night, you're not alone. Many people go through these puzzling shifts, especially during the menopausal transition.

You now know many possible causes behind this pattern. These include hormones and blood sugar. They also include sleep apnea and simple habits. Examples are caffeine use or a warm bedroom.

You also have real tools to try: hydration, breathing exercises, a cooler sleep space, and a symptom log to spot your own patterns. Gentle tools like sound therapy can support your nervous system alongside those daily habits.

 

Here's a general timeline of how this pattern tends to start, peak, and ease over the years — everyone's path looks a little different.

For most people, chills and night sweats ease as hormone levels stabilize later in the menopausal transition. That doesn't mean you have to just wait it out. Small, consistent changes now can make the nights ahead more comfortable.

That's why I care so much about sharing the WAVwatch with others. It's not just about quick fixes. It's about helping your body restore balance naturally.

FAQs

How do I stop night sweats naturally?

Hydration, breathing exercises, and a cooling bedtime routine are simple ways to help your body regulate its temperature overnight. To prevent night sweats before they start, moisture-wicking pajamas and a slightly cooler bedroom can make a real difference too.

Why do I get chills then sweats at night?

This pattern often happens as your body works to regulate its core temperature. Stress, immune responses, and hormonal shifts like those in menopause can all trigger the cycle, especially overnight.

What causes chills while sleeping?

Changes in circulation, nervous system responses, or shifting hormone levels often cause chills while sleeping. They do not necessarily mean your body temperature is actually low.

Why do I wake up drenched in sweat but freezing?

This surprising combination usually comes from a rapid swing in your body's internal thermostat. Hormonal changes can trigger a quick burst of heat followed by an equally fast drop. This can leave you drenched one moment and freezing the next.

Can night sweats be a sign of menopause?

Yes. Night sweats are a common sign of the menopausal transition. They happen when changing estrogen levels affect the brain’s temperature control center. They can range from mild warmth to waking up drenched in sweat but freezing minutes later. This night sweats menopause pattern often continues into the years that follow.

Are night sweats common during perimenopause?

Yes. Perimenopause night sweats are common and often start well before periods stop entirely. Hormone levels can change without warning during this stage. This is why sleep can feel unpredictable from night to night. Our menopause timeline and stages guide breaks down what to expect at each point in the transition.

Do night sweats stop after menopause?

For many people, night sweats ease within a few years after their last period. Menopause health resources often say the average is about seven years. Some people have symptoms for longer. Everyone's timeline is different, and small lifestyle changes can help make the transition more comfortable.

Can wearable technology help with body temperature swings?

Yes, health wearables like the WAVwatch may help support your body during temperature swings. The WAVwatch is a wearable device that sends gentle sound frequencies to your skin. It does not just track symptoms after they happen.

Many people use it to help balance the nervous system and relax. This is helpful when hot and cold sensations feel unpredictable. It works alongside your existing routine and healthcare guidance, not in place of it. Pairing sound therapy with the natural strategies above gives your body more consistent support, day and night.