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Night Sweats
While night sweats, the nocturnal cousin of hot flashes, can be uncomfortable and disruptive, they don't usually signal a more serious underlying condition. In fact, night sweats are one of the most common companions of menopause which typically begins in a woman's late 40s to early 50s. Scientific studies suggest that as many as 75% of menopausal women experience night sweats. |
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When a woman approaches menopause, she may have many questions about the potential symptoms, including night sweats. Understanding what to expect, why these symptoms occur, and how to manage them can help a woman better prepare for and manage this transitional time period. Read on to learn more about night sweats.
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About Night Sweats
Night sweats, medically termed "sleep hyperhidrosis," are episodes of nighttime sweating, which can range from mild to profuse. Night sweats are similar to the hot flashes that can affect menopausal women during the waking hours.
Oftentimes, night sweats can be so intense that they interrupt a woman's sleep, which can affect many aspects of her daily life. Common symptoms of night sweats include sudden and intense heat, irregular heartbeat, nausea, flushing, chills, and headaches.
Women with menopause-related night sweats may experience anywhere from mild to severe symptoms of these night sweats, of both infrequent or frequent duration, during their usual sleeping hours. |
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Who is Affected?
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Many women in their 40s and 50s develop night sweats, which often begin before the actual cessation of a woman's menstrual cycle. One study found that approximately 19% of women aged 40 to 55 who still had regular periods experienced night sweats. Most women begin to develop symptoms three to ten years before actual menopause, a span of time called perimenopause.
Research shows that not all women are affected the same. Age, race, and other factors can influence how likely a woman is to develop night sweats during menopause.
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Night Sweats and Sleep:
The symptoms of night sweats can drastically disturb sleep patterns, making it difficult to get a good night's rest. Because of this, women who suffer from night sweats often experience:

• Insomnia
• Sleep disorders
• Trouble concentrating
• Exhaustion during the day
• Irritability
• Heightened levels of stress
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Click here to learn more about night sweats, or continue reading below to learn what causes night sweats.
Causes of Night Sweats
Many women who experience night sweats wish to know the reason behind this symptom of menopause. While the exact cause of night sweats is unknown, most experts point to hormonal imbalance as the primary culprit.
Hormonal Causes
During menopause, levels of the hormone estrogen become erratic and eventually begin a steady and permanent decline. This change in estrogen levels affects the hypothalamus in the brain, which is responsible for the regulation of body temperature. As a result, the hypothalamus often prompts a series of physiological reactions, which women experience as hot flashes or night sweats. |
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Other Causes
While hormonal imbalance is by far the most common cause of night sweats in menopause, there are rare medical causes, such as diabetes, anxiety, neurological conditions, sleep apnea, cancer, and thyroid disorder.
Night Sweat Triggers
Certain factors can intensity night sweats or make them more frequent. Avoiding these triggers can help many menopausal women alleviate both hot flashes and night sweats.
Environmental Triggers

• Excess bedding
• Close proximity to bed partner
• Hot rooms
• Warm weather
• Saunas, tubs, hot showers |
Emotional Triggers

• Stress
• Anxiety
• Disturbing dreams
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Behavioral Triggers

• Hot or spicy foods
• Alcohol or caffeine
• Diet pills
• Smoking
• Drug use
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Click here to find out more about the causes of night sweats, or continue reading below to learn more about treatments for night sweats.
Treatment of Night Sweats
Treatment of night sweats often begins with lifestyle changes that can help to reduce the frequency and severity of night sweats. This approach typically involves avoiding night sweats triggers, and taking steps to relieve stress and improve diet and exercise. For instance, tryptophan is an amino acid that helps aid in sleep and can be found in dairy products, nuts, and eggs, which all can help boost the occurrence of a good night of sleep.
While these lifestyle changes can help to relief night sweats and improve sleep patterns, they are unable to get at the root cause of night sweats, which is hormonal imbalance.
Fortunately, alternative medicine treatments are available to safely and effectively correct hormonal imbalances with little or no risk. In fact, most experts recommend that women combine lifestyle changes with natural therapies to achieve night sweats relief. |
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In extreme cases of night sweats, women may turn to more severe measures, such as pharmaceutical or surgical options. These medical options are usually only advised if this combined approach does not help.
Most experts recommend that women who suffer from night sweats and wish to treat it begin with lifestyle changes, then move onto alternative medicines (ideally combining the two) and finally, look to drugs or surgery if nothing else seems to work. Click the following link to learn specific treatments for night sweats during menopause in these three categories.
Sources:
- The National Institute of Health. "Signs of the Menopausal Transition." www.nih.gov.
- Boston Women's Health Collective. "Hot Flashes, Night Sweats and Sleep Disturbances." Our Bodies, Ourselves, 2006.
- Von Muhlen, DG, et al. "A community-based study of menopause symptoms and estrogen replacement in older women." Maturitas. Sept 1995; 22(2):71-8.
Return to home page and learn more about the 34 Menopause Symptoms.
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