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Alex Fulton

Alex Fulton has been working in the wellness field for more than 20 years. She has written extensively about integrative medicine, herbalism, supplements and other topics related to holistic health. Alex also focuses on issues related to women's health, from menstruation to menopause. She has collaborated with physicians, midwives and functional medicine practitioners to promote natural approaches to health care for women. She has a BA in English from the University of Wisconsin-Madison.

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How Hot Flashes Affect Sleep

How Hot Flashes Affect Sleep

Good sleep is essential for a healthy body and mind. Unfortunately, hot flashes can disrupt our sleep — and our health

Menopause & Aging Well

Infographic How Hot Flashes Affect Sleep. Click the image to open the PDF

What are hot flashes?

Hot flashes (also called night sweats when they happen at night) involve a sudden rise in body temperature and may occur with:

  • Flushing
  • Sweating
  • Chills
  • Rapid heartbeat
  • Anxiety

Up to 3 out of 4 of women have hot flashes during perimenopause, the period leading up to menopause.

How do race and ethnicity affect hot flashes?

  • Hot flashes last several years longer for Black and Hispanic women than other racial and ethnic groups.
  • People from certain racial and ethnic groups are also more likely than white people to experience poor sleep — and the resulting health effects.

How do hot flashes affect sleep?

  • Many women wake up just before or during hot flashes , which disrupts the body’s sleep cycle.
  • Women can be woken every hour by hot flashes.
  • Severe hot flashes are linked to long-term sleep problems such as insomnia.
  • Lack of sleep can lead to health problems, some of them serious.

hot flashes → disrupted sleep → long term sleep problems → other health problems

In one study, more than 4 out of 10 perimenopausal women reported experiencing sleep problems, with symptoms getting worse as they got closer to menopause.

What does sleep loss caused by hot flashes do to the body?

  • Poor sleep is tied to depression, anxiety and other mental health issues .
  • Brain problems such as memory loss and difficulty concentrating are linked to sleep loss.
  • Lack of sleep can weaken your immune system , making it harder for your body to fight off sickness.
  • Not getting enough sleep can affect the body’s ability to regulate blood sugar , increasing your risk of type 2 diabetes and other metabolic problems.
  • People who don’t get enough sleep may be more likely to experience pain or notice their pain getting worse.
  • Just one night of poor sleep changes the levels of hormones that affect hunger and appetite, causing us to feel hungrier.

Help is available for hot flashes and sleep loss

Are hot flashes and/or sleep loss affecting your ability to enjoy life — or simply to function?

Jot down a detailed list of symptoms to bring to your healthcare provider (HCP). If you feel you’re not getting the help you need, seek out a menopause and/or sleep specialist.

This resource was created with support from Astellas.

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