The Hidden Struggle of Perimenopause Fatigue: What’s Going On?

Are you feeling more tired than usual? If you’re in your late 30s or early 40s, you might be experiencing perimenopause, and fatigue is one of the most common and frustrating symptoms. Perimenopause is the transitional period leading up to menopause, where hormonal changes start to affect the body, often causing a range of physical and emotional symptoms, including extreme tiredness.
In this post, we’ll take a closer look at what’s causing your perimenopause fatigue, how to recognize the symptoms, and share practical tips to help you manage tiredness so you can feel your best through this transition. Let’s get started!
Why Am I So Tired? Unmasking Perimenopause Exhaustion
Perimenopause refers to the years leading up to menopause, where the body gradually transitions from the reproductive years into a new phase. During perimenopause, your ovaries start to produce less estrogen, which triggers a variety of physical and emotional changes. For some women, this phase can begin as early as their late 30s and last into their 50s.
One of the most common signs of perimenopause is fatigue, which can make you feel constantly drained. In fact, a cross-sectional study involving 300 women found that 46.5% of perimenopausal women reported symptoms of physical and mental exhaustion. This is a significant percentage, highlighting how prevalent fatigue can be during this transitional phase.
But don't worry this is a completely normal part of the process! Many women experience this, and there are plenty of effective ways to tackle it head-on. From lifestyle changes, vitamins, to professional treatments, you don’t have to just power through the exhaustion. With the right strategies, you can manage and reduce the impact of fatigue, helping you feel more energized and balanced during perimenopause.
Now, let's dive into the symptoms of perimenopause fatigue and explore how you can manage and overcome it.
Perimenopause Fatigue Symptoms You Shouldn’t Ignore
1. Chronic Tiredness
You may feel drained all the time, no matter how much sleep you get. This ongoing exhaustion can affect your mood, work, and relationships.
2. Sleep Problems
Many women in perimenopause experience sleep disruptions, whether it’s trouble falling asleep or waking up frequently during the night. These disturbances can worsen fatigue.
3. Brain Fog
In addition to feeling physically tired, you might experience mental fatigue, making it hard to focus, concentrate, or remember things clearly. This “brain fog” is another symptom often linked to perimenopause. Among 85 women assessed over 400 biannual visits, approximately 20% showed signs of cognitive vulnerability, particularly in verbal learning and memory. This profile was linked to sleep disturbances and, interestingly, lower hormonal variability.
4. Mood Swings
Fluctuating hormones can make you feel more emotional, anxious, or irritable, which can drain your energy and worsen feelings of fatigue. Mood changes are a notable aspect of perimenopause. Approximately 40% of women experience mood symptoms during this transition, including increased irritability and low energy levels
5. Hot Flashes and Night Sweats
Hot flashes, night sweats, and other temperature fluctuations are common during perimenopause. These symptoms can disrupt sleep, leaving you feeling even more tired during the day.
6. Weight Gain
During perimenopause, hormonal fluctuations (especially the decline in estrogen) can lead to weight gain, particularly around the abdominal area. This weight gain can contribute to feelings of tiredness or low energy, as extra weight can make daily activities feel more exhausting and strain the body. It's common for weight gain to start a few years before menopause, during the time known as perimenopause. Weight gain often continues at about the rate of 1.5 pounds each year as a woman goes through her 50s.
While these symptoms are a normal part of the menopausal transition, the good news is that with the right approach, they can be effectively managed.

8 Little-Known Triggers of Perimenopause Tiredness
Perimenopause fatigue is mainly caused by hormonal changes, but several other factors can contribute to the tiredness you're experiencing:
1. Changes in Blood Sugar Levels
During perimenopause, hormone fluctuations can affect insulin sensitivity and cause your blood sugar levels to fluctuate. This can result in feelings of exhaustion or low energy, particularly after meals. If your blood sugar dips or spikes, it can make you feel sluggish or irritable, adding to overall fatigue.
2. Depression
Most studies agree that the risk of depression increases during the menopause transition. Symptoms of depression include crying a lot, feeling hopeless or worthless, feeling numb, and losing interest in your normal activities
3. Sleep Apnea
Sleep disturbances are a common issue during perimenopause, often caused by night sweats and hot flashes. These interruptions prevent deep, restful sleep, leaving you exhausted during the day. Poor sleep affects energy, focus, and mood, making it harder to function even if you spend enough time in bed.
4. Stress
Stress triggers the release of cortisol, which can worsen symptoms like anxiety and insomnia, both of which are linked to perimenopausal fatigue. It’s a vicious cycle: stress causes fatigue, and fatigue can make you feel even more stressed.
5. Hot Flashes and Night Sweats
Hot flashes and night sweats, known as vasomotor symptoms, are common during perimenopause. These hormonal shifts affect the body's temperature regulation, causing sudden feelings of intense heat, sweating, and chills, often disrupting sleep and daily activities. Research suggests that approximately 75% of women experience these issues.
6. Dehydration
Dehydration is often overlooked as a contributor to fatigue, but it’s a major factor, especially during perimenopause. As hormone levels fluctuate, the body’s ability to retain fluids can be affected, leading to dehydration. This results in fatigue, headaches, and muscle weakness.
7. Anemia
Heavy menstrual bleeding, a common issue during perimenopause, can lead to iron deficiency anemia. If you’re losing more blood than usual, it can reduce your body’s ability to produce red blood cells that carry oxygen to your tissues. This results in tiredness, weakness, and an overall lack of energy. If you find yourself feeling unusually tired or light-headed, it might be a sign that your iron levels are low due to heavy periods
8. Weight Gain
During perimenopause, hormonal changes and a slower metabolism mean you burn fewer calories at rest. This can lead to weight gain, which strains energy levels. If diet and exercise don’t adjust, fatigue may increase as your body works harder to sustain the extra weight.
These unexpected triggers can often go unnoticed but are important to address if you're dealing with perimenopausal fatigue. Managing these factors like hydration, stress, and diet can help you reduce the overall feeling of exhaustion during this transition.

Beat Perimenopausal Fatigue: Practical Tips and Essential Vitamins to Boost Your Energy
There are several practical steps you can take to manage and even reduce perimenopause fatigue. Let’s explore some treatments and solutions:
1. Essential Supplements and Vitamins for Perimenopause Fatigue
- Black Cohosh: An herbal remedy commonly used to manage perimenopausal symptoms, particularly hot flashes, night sweats, and mood swings, which can contribute to perimenopausal burnout. It is believed to have mild estrogen-like effects, helping balance hormones and alleviate emotional symptoms, thus indirectly reducing fatigue.
- Vitamin D: As estrogen levels decline, so can your body’s ability to absorb vitamin D, which is crucial for energy, mood regulation, and bone health. Make sure to get enough by spending time in the sun or taking a supplement if needed.
- B Vitamins: The B vitamins, especially B12 and B6, play a vital role in energy production and reducing fatigue. These vitamins help convert the food you eat into energy, making them crucial for staying energized during perimenopause.
- Magnesium: This mineral helps support your muscles and nervous system. Magnesium deficiency can lead to feelings of fatigue, so consider adding magnesium-rich foods like spinach, almonds, and pumpkin seeds to your diet. A magnesium supplement may also be beneficial if you’re not getting enough through food.
- Iron: Heavy menstrual periods during perimenopause can lead to iron deficiency, which causes fatigue and weakness. Ensuring you get enough iron from food sources like leafy greens, legumes, and lean meats (or a supplement, if necessary) can help keep energy levels up.
- Omega-3 Fatty Acids: These healthy fats have anti-inflammatory properties and support brain function. They can help reduce fatigue associated with chronic inflammation during perimenopause. You can find them in fatty fish like salmon, walnuts, and flaxseeds.
2. From Fatigue to Fresh: Lifestyle Changes to Overcome Perimenopause Tiredness
- Exercise Regularly: Regular physical activity can improve sleep quality, boost mood, and give you more energy. Try activities like walking, yoga, or swimming.
- Improve Sleep Hygiene: Aim for a consistent sleep schedule. Limit screen time before bed, and create a relaxing bedtime routine to help you wind down.
- Eat a Balanced Diet: Focus on a nutrient-rich diet with plenty of fruits, vegetables, lean proteins, and whole grains. Avoid excessive sugar and caffeine, which can cause energy crashes.
3. Stress Management
Managing stress is essential for reducing fatigue. Consider relaxation techniques such as meditation, deep breathing exercises, and mindfulness practices to help calm your mind and restore energy.
4. Stay Hydrated
Dehydration is a hidden cause of burnout, especially during perimenopause when hormonal fluctuations can affect fluid balance. Aim to drink plenty of water throughout the day and avoid excessive caffeine or alcohol, as these can dehydrate you.
5. Hormone Replacement Therapy (HRT)
If perimenopause fatigue is severe and affecting your quality of life, talk to your healthcare provider about Hormone Replacement Therapy (HRT). This treatment can help balance hormone levels and alleviate symptoms like fatigue. However, it’s important to discuss the risks and benefits with your doctor.
Frequently Asked Questions About Perimenopause Fatigue
Managing perimenopause fatigue often involves a combination of lifestyle changes and, in some cases, medical treatment. Some effective treatments include:
- Improving Sleep: Prioritize sleep by creating a relaxing bedtime routine and ensuring your sleep environment is comfortable.
- Exercise: Regular physical activity can boost your energy levels, improve mood, and help you sleep better.
- Balanced Diet: Eating a nutrient-rich diet, with plenty of fruits, vegetables, whole grains, and lean protein, can help keep your energy up.
- Stress Management: Techniques like yoga, meditation, or deep breathing can help reduce stress and improve overall well-being.
- Hormone Therapy: In some cases, hormone replacement therapy (HRT) or other medications may be recommended to balance hormones and reduce fatigue. Always check with your healthcare provider before starting any new treatment plan.
Key Takeaways: Simple Tips to Manage Perimenopause Fatigue and Feel Energized
Managing perimenopause fatigue and regaining your energy is possible, even though it’s a common part of this transitional phase. While hormonal fluctuations contribute to tiredness, there are steps you can take to boost your energy. Prioritize improving your sleep, maintaining a balanced diet, and managing stress. Vitamins and supplements like Black Cohosh, Vitamin B12, magnesium, and iron can also help. Perimenopausal burnout doesn’t have to control your life. With a few changes to your daily routine, you can improve your energy levels and reduce the overwhelming fatigue that often accompanies this phase. If fatigue is significantly affecting your life, consult your healthcare provider to discuss treatments like hormone therapy.
Remember, perimenopause is a phase of change, and with the right strategies, you can navigate it with more energy and vitality.