Most conversations about sleep changes after 35 focus on night sweats, insomnia, or waking up too early. Restless legs syndrome (RLS) tends to get less attention, despite being a genuine and sometimes significant contributor to disrupted sleep for some women during this life stage. If you’ve experienced an uncomfortable, hard-to-describe urge to move your legs at night, understanding RLS may offer some helpful context.
Restless legs syndrome is a neurological condition characterized by an uncomfortable sensation in the legs, often described as crawling, tingling, or aching, accompanied by an urge to move that typically worsens in the evening or at rest and improves with movement. According to the American Sleep Association, RLS affects a meaningful percentage of adults and appears to be more common in women than men. Symptoms can range from mild and occasional to frequent and significantly disruptive, and severity often fluctuates over time for a given individual, which can make it a confusing condition to describe to a healthcare provider without a clear sense of its pattern beforehand — keeping a brief symptom log for a couple of weeks before an appointment can sometimes help clarify frequency and triggers.
What Research Shows About RLS and Hormonal Changes
Research has explored possible links between RLS and hormonal fluctuations, including those associated with pregnancy and perimenopause. Some studies suggest iron metabolism may play a role in RLS symptoms for some individuals, and because iron needs and hormone levels shift during these life stages, researchers have looked at whether this connection helps explain why RLS sometimes emerges or intensifies during pregnancy or the years surrounding perimenopause. The relationship isn’t fully understood, and individual experiences vary considerably.
How RLS Disrupts Sleep
Because RLS symptoms typically worsen when lying still, falling asleep can become genuinely difficult, and symptoms may also cause waking during the night. This is different from the general restlessness some women describe during hormonal transitions — RLS involves a specific, localized sensation paired with an urge to move, which can be distinguished from generalized sleep difficulty during a conversation with a healthcare provider or sleep specialist.
How RLS Differs From Other Sleep Disruptions After 35
It’s worth distinguishing RLS from other common sleep disruptors covered elsewhere, such as night sweats associated with perimenopause, which involve temperature regulation rather than a movement urge. Some women experience both, which can make it harder to identify the specific driver of disrupted sleep without discussing symptoms in detail with a provider.
Iron Levels and RLS
Because of the researched connection between iron stores and RLS symptoms, healthcare providers sometimes check ferritin levels (a marker of iron storage) in patients reporting RLS symptoms, even in the absence of anemia. Some research suggests RLS symptoms may improve with iron supplementation in individuals with low-normal ferritin levels, though this should be guided by bloodwork and a healthcare provider rather than self-directed supplementation, since iron excess carries its own risks.
Approaches Some Women Find Helpful
Beyond addressing potential iron deficiency, some women report that regular moderate exercise, avoiding caffeine or alcohol close to bedtime, and maintaining a consistent sleep schedule may help manage RLS symptoms, though individual results vary and none of these are guaranteed to resolve symptoms. For more persistent or severe RLS, a sleep specialist or neurologist can discuss additional evaluation and potential treatment options tailored to individual circumstances.
RLS During Pregnancy Specifically
Pregnancy deserves particular mention when discussing RLS, since research suggests symptoms may emerge or intensify during pregnancy for some women, particularly in the third trimester, with symptoms often improving after delivery. This pattern has led researchers to investigate connections to pregnancy-related changes in iron and folate levels, as well as hormonal shifts, though the exact mechanism remains an area of ongoing study. For women who are both pregnant and over 35, RLS can add another layer to an already complex sleep picture that may also include physical discomfort, frequent urination, and anxiety about the pregnancy itself.
If RLS symptoms emerge during pregnancy, mentioning them at a prenatal visit is worthwhile, since providers may want to check iron and folate levels as part of the broader evaluation, particularly if levels haven’t been recently assessed. Most pregnancy-related RLS is considered a temporary symptom that resolves postpartum, though this isn’t universal, and ongoing symptoms after delivery are worth continued discussion with a provider.
RLS and Restless Sleep in Partners
It’s worth noting that RLS can affect not just the person experiencing it but also a bed partner, whose sleep may be disrupted by movement throughout the night. Openly discussing this as a medical symptom, rather than a source of frustration between partners, can help reframe the experience and encourage seeking evaluation rather than simply tolerating disrupted sleep for both people involved.
Lifestyle Approaches Some Women Try
Beyond medical evaluation, some women experiment with lifestyle-level approaches such as leg stretches or gentle massage before bed, warm baths, or compression garments, and while formal research on these specific approaches is limited, they carry minimal risk and some individuals find them subjectively helpful as part of a broader management approach. Reducing caffeine intake, particularly later in the day, is another commonly suggested step, since caffeine has been associated with worsened RLS symptoms in some studies, though individual sensitivity varies. Keeping a simple sleep and symptom diary for a couple of weeks, noting when symptoms occur and what precedes them, can also help identify personal patterns or triggers that might not be obvious otherwise, and this information can be genuinely useful to share with a healthcare provider during an evaluation.
Frequently Asked Questions
Is restless legs syndrome common after 35?
RLS can occur at any age, but some research suggests prevalence may increase with age and around hormonal transitions like pregnancy and perimenopause, particularly among women.
Is RLS the same as regular leg cramps?
No. RLS involves an uncomfortable sensation paired with an urge to move, typically worsening at rest, while cramps are more often a sudden, painful muscle contraction. A healthcare provider can help distinguish between the two.
Can iron supplements help with RLS?
Some research suggests a connection between low-normal iron stores and RLS symptoms, and supplementation may help in some cases, but this should be guided by bloodwork and a healthcare provider rather than self-directed use.
When should I see a doctor about restless legs?
If symptoms are frequent, disrupt sleep regularly, or significantly affect daily functioning, it’s worth discussing with a healthcare provider or sleep specialist, who can evaluate for underlying contributors and discuss potential approaches.
Key Takeaways
- Restless legs syndrome is a distinct sleep disruptor involving an uncomfortable sensation and urge to move, more common in women and possibly linked to hormonal changes after 35.
- Research has explored a connection between iron metabolism and RLS symptoms, though the relationship isn’t fully understood.
- RLS can be distinguished from other sleep disruptors, like night sweats, through the specific pattern of symptoms.
- Persistent or severe symptoms are worth discussing with a healthcare provider, who can evaluate for underlying factors like iron levels.
Medical Disclaimer
This content is for informational purposes only and does not constitute medical advice. Individual health situations vary significantly. Always consult a qualified healthcare provider before making decisions related to your health, fertility, or pregnancy.
About the Author
Emily Carter is a women’s health writer focused on fertility, pregnancy after 35, and sleep changes in midlife. She writes research-informed, non-alarmist content to help women navigate reproductive and hormonal transitions with clarity and confidence.