Why Hot Flashes & Night Sweats Happen (& What to Do)
Dr. Eric Berg DCPublished on September 13, 2026
Summary authored by editor@wellifi.com
TLDR Summary
Hot flashes and night sweats are not solely caused by hormonal changes but rather by the speed of estrogen drop and blood sugar fluctuations. Natural remedies like genistein and magnesium glycinate, along with dietary adjustments, can help mitigate these symptoms.
Key Points
- Hot flashes are not solely caused by hormonal deficiencies.
- The speed of estrogen drop can trigger hot flashes.
- Natural remedies include genistein and magnesium glycinate.
- Night sweats are linked to blood sugar fluctuations.
- Stabilizing blood sugar can help reduce night sweats.
The Real Causes of Hot Flashes and Night Sweats
Hot flashes and night sweats are common complaints among many women, particularly during menopause. However, the causes of these symptoms are often misunderstood. In this article, we will explore the real reasons behind hot flashes and night sweats, as well as effective natural remedies to alleviate them.
Understanding Hot Flashes
Hot flashes are frequently attributed to hormonal changes during menopause. However, this perspective overlooks the complexity of the issue. Some women experience hot flashes before menopause, while others go through menopause without experiencing them at all. This inconsistency raises the question: what truly causes hot flashes?
Research indicates that hot flashes are not simply due to a deficiency in estrogen. Instead, they are linked to the speed at which estrogen levels drop. For example, women who undergo surgical removal of their ovaries often experience immediate and severe hot flashes, while others may have a gradual decline in hormone levels and remain unaffected.
The hypothalamus, a part of the brain responsible for regulating temperature, plays a critical role in this process. When estrogen levels drop rapidly, it triggers an alarm response in the hypothalamus, leading to the sensation of heat, increased blood flow, and sweating to cool down the body. This episode typically lasts about three minutes and can leave individuals feeling cold afterward.
Natural Remedies for Hot Flashes
While hormone replacement therapy is a common approach to managing hot flashes, it is not always effective. Recent studies have highlighted alternative solutions, such as the use of genistein, a specific soy extract that may help regulate these neurological responses. Clinical trials have shown promising results, with a recommended dose of at least 54 mg twice a day.
Additionally, magnesium glycinate (400 mg daily) has been suggested to support the brain's regulatory functions and may also help alleviate hot flashes.
Exploring Night Sweats
Night sweats, which can last longer than hot flashes and typically occur in the early morning hours, are primarily linked to blood sugar fluctuations rather than hormonal changes. When blood sugar levels drop during the night, the body responds by releasing adrenaline to stabilize these levels, which can lead to sweating and waking up with a racing heart.
To mitigate night sweats, it is advised to stabilize blood sugar levels by avoiding food after dinner and adopting a low-carb diet. Intermittent fasting, with meals limited to lunch and dinner, can also be beneficial. Moreover, consuming apple cider vinegar before bed mixed with water may aid in maintaining stable blood sugar levels throughout the night.
Conclusion
Hot flashes and night sweats can be distressing, but understanding their true causes allows for better management. Incorporating natural remedies such as genistein and magnesium glycinate, along with dietary adjustments to maintain stable blood sugar levels, can help alleviate these symptoms. For a comprehensive checklist of daily routines that promote a feeling of vitality, consider downloading the free resource provided by Dr. Eric Berg.
