Sleep problems are incredibly common during perimenopause — the transition leading up to menopause — and this review pulls together what we know about why they happen and what can help. While this paper focuses on perimenopause rather than PMDD specifically, the underlying biology overlaps in important ways that may be relevant to you.
Hormonal shifts play a central role. Both estrogen and progesterone help regulate sleep, and when these hormones fluctuate or decline, sleep quality often suffers. Progesterone, in particular, has a calming, sleep-promoting effect through the same brain pathways (GABA receptors) that are thought to be involved in PMDD. The review notes that allopregnanolone — a progesterone byproduct that researchers have linked to PMDD symptoms — is also connected to sleep problems in midlife women. So if you notice that your sleep worsens at certain points in your cycle, these shared hormonal mechanisms may be part of the explanation.
The review found that between 16% and 47% of perimenopausal women experience sleep disorders, and hot flashes, mood changes, and shifts in the body's internal clock all contribute. Depression and sleep problems can feed into each other in a cycle that makes both worse.
When it comes to treatment, the researchers recommend starting with non-medication approaches. Cognitive behavioral therapy for insomnia (CBT-I) — a structured program that helps change sleep-related thoughts and habits — outperformed medications in pooled clinical trial data. Hormone therapy improved sleep in many studies, and micronized progesterone specifically showed benefits for falling asleep faster. Melatonin supplements were helpful without serious side effects. Newer medications called dual orexin receptor antagonists also showed promise. The key takeaway is that sleep problems during hormonal transitions are real, have biological roots, and multiple treatment options exist worth discussing with your healthcare provider.
Key findings
- Sleep disorder prevalence ranges from 16-47% during perimenopause and increases to 35-60% in menopause
- In the Study of Women's Health Across the Nation (SWAN), 37% of women aged 40-55 reported difficulty sleeping, with higher rates in Caucasian and Hispanic women
- Women are 1.5 times more likely to experience insomnia than men, with an overall insomnia prevalence of 22%
- Cognitive Behavioral Therapy for Insomnia (CBT-I) reduced insomnia symptoms and improved sleep quality more than pharmacological interventions in a pooled analysis of four RCTs
- Combined hormone therapy improved both objective and subjective sleep quality, with therapeutic effects seen after 2-3 months and lasting positive effects for more than 3 years
- A systematic review and meta-analysis confirmed micronized progesterone improves multiple aspects of the sleep cycle, particularly sleep onset latency, through GABA receptor binding
Methods, briefly
Narrative review searching PubMed, Scopus, Google Scholar, Web of Science, and Embase for publications up to May 2024. Included longitudinal, observational, case-control, cross-sectional studies, reviews, and meta-analyses involving human adults published in English. Two authors independently extracted data.
Limitations to keep in mind
- Narrative review design rather than systematic review, limiting reproducibility and comprehensiveness
- Heterogeneity in study designs, sleep assessment methods, and hormone therapy formulations across included studies
- Acknowledged lack of standards on appropriate management and treatment of sleep disorders in perimenopause
- Many included studies relied on subjective sleep assessments rather than objective polysomnography
- The review did not perform quality assessment or risk of bias evaluation of included studies
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