What Perimenopause is Doing to Your Patients — and How Dental Sleep Experts Can Help 

 

by Alison Kole, MD, MPH, FAASM, FCCP 

Perimenopause and menopause mark a transformative period in women’s health, profoundly impacting sleep quality and overall well-being. For dental sleep practitioners, understanding the interplay between hormonal changes and sleep disturbances is crucial — not only for effective patient care but also for identifying overlapping symptoms of sleep-disordered breathing that can masquerade as perimenopausal complaints. 

Prevalence and Nature of Sleep Disturbances 

 Up to 80–90% of women experience a range of symptoms related to fluctuating and declining hormones including estrogen, progesterone, and testosterone, during perimenopause, with sleep disturbance being a major quality-of-life concern.¹ Typical complaints include: 

• Insomnia (difficulty falling or staying asleep) 
• Frequent early awakenings 
• Interrupted sleep from vasomotor symptoms (night sweats, hot flashes) 
• Sleep-related breathing disorders 
• Movement disorders such as restless leg syndrome 

Prevalence of sleep disorders escalates from 16%–47% during perimenopause, rising to 35%–60% in postmenopausal women. These sleep issues can be exacerbated by mood changes, decreased melatonin production, and circadian rhythm alterations associated with aging.¹  

Hormonal Fluctuations and Sleep 

Fluctuations in estrogen and progesterone underlie much of the sleep turbulence during the menopausal transition. In particular, progesterone acts as a neuroactive steroid with sedative, anxiolytic, and hypnotic effects on the central nervous system. Progesterone’s metabolites (e.g., allopregnanolone) interact with GABA and benzodiazepine receptors to promote restorative sleep, reduce anxiety and irritability, and even stimulate respiration – thereby potentially supporting upper airway tone.2^2,3 Studies show oral micronized progesterone (MP) can:^1,4 

• Decrease night sweats 
• Improve perceived sleep quality 
• Enhance sleep efficiency 

A recent open-label pilot study in Japanese women receiving hormone replacement therapy with estradiol and micronized progesterone demonstrated significant short-term improvements in sleep quality, particularly among participants with low baseline sleep efficiency, highlighting the need for larger, controlled trials to confirm these findings.⁵ 

Vasomotor Symptoms and Sleep Quality 

 Vasomotor symptoms, particularly night sweats and hot flashes, are critical disruptors of sleep in perimenopausal and menopausal women. Many women report that calming these symptoms — often through hormone therapy — produces the greatest improvement in sleep. Still, not all patients are eligible for or comfortable with hormone replacement, and risks must be individually assessed, especially for those with a personal history of hormone-sensitive cancers.^1,6 

Non-hormonal Approaches 

Recent advances and updated guidelines now offer a spectrum of non-hormonal therapies for menopausal symptoms and related sleep disturbances.1 These include: 

• Neurokinin B antagonists: New on the scene, this class targets vasomotor symptoms and shows promise for sleep and mood issues. 
• Gabapentin: Well-established for night sweats and insomnia, particularly in women who cannot use HRT. 
• SSRIs/SNRIs (e.g., low-dose paroxetine): Effective for hot flashes and may modestly improve sleep. 
• Melatonin: Promotes sleep, although efficacy varies across studies.

Lifestyle modifications — like regular exercise, stress reduction, and sleep hygiene — remain foundational. Cognitive Behavioral Therapy for Insomnia (CBT-I) and Mindfulness-Based Interventions (MBI) are both well-supported for alleviating nonphysiologic symptoms, including depression, anxiety, cognitive changes, and overall quality of life.⁷ CBT-I has been shown to improve both insomnia and vasomotor symptoms, particularly in women who cannot use or choose not to take hormone replacement therapy.¹  

Overlap with Obstructive Sleep Apnea (OSA) 

Sleep-disordered breathing — especially obstructive sleep apnea (OSA) — becomes much more common as women transition through menopause and lose the protective effects of estrogen and progesterone. Studies confirm menopausal status is independently associated with increased prevalence of OSA, even after controlling for body weight. In fact, women may develop OSA despite only mild weight gain or having a petite body type due to hormonal shifts and changes in upper airway anatomy. As many as 47%–67% of postmenopausal women are estimated to have OSA.^8,9 

Unlike the classic male presentation — loud snoring, witnessed apneas, and significant daytime sleepiness — women with OSA may report subtle symptoms that frequently overlap with perimenopausal complaints: chronic insomnia, unrefreshing sleep, morning headaches, and low energy. This atypical presentation means that OSA — and the closely related entity of COMISA (comorbid insomnia and sleep apnea) — can easily go undiagnosed in women. Evidence shows that between 30%–50% of OSA patients indicate insomnia-type complaints.10 Therefore, anytime insomnia is part of a woman’s sleep complaints, practitioners should have a low threshold for assessing for underlying OSA — using in-lab polysomnography or multi-night home sleep studies, both of which are becoming more accessible.¹⁰ 

 For women who cannot tolerate CPAP, oral appliance therapy (OAT) — custom-fitted by dental professionals — offers an effective alternative. OAT has been shown to reduce snoring and breathing disturbances, while also improving oxygen levels, daytime alertness, and overall sleep quality, particularly in those with mild-to-moderate OSA. Research suggests that women have similar-to-improved response rates and adherence rates to OAT compared to men.^11.12 

Practical Integration for Dental Sleep Practitioners 

Ultimately, dental sleep practitioners must recognize that women may not always present with typical OSA symptoms. If insomnia is a central complaint — especially in the menopausal transition — COMISA should be considered, and OSA actively screened for, to ensure accurate diagnosis and tailored treatment that may include CPAP, oral appliances, surgical options, or future medication breakthroughs. 

Effective patient care requires a collaborative approach. Partner with the medical community, including menopause specialists, to advocate for sleep testing when patients fail to improve with standard therapies or when OSA symptoms are suspected, even if they present atypically. 

Patient education should encompass the full spectrum of OSA treatment options, including oral appliances. This comprehensive approach ensures that women receive individualized care that addresses both their sleep disorders and broader health needs during this critical life transition. 

Call to Action 

Sleep disorders in perimenopausal women are multifactorial and demand a personalized, interdisciplinary approach. While both hormonal and non-hormonal treatments offer benefits, clinicians must carefully weigh efficacy, safety, and patient preferences when developing treatment plans. As nonhormonal modalities advance, and diagnostic approaches become more tailored, dental sleep practitioners are uniquely positioned to play a crucial role in enhancing quality of life for women navigating the menopausal transition. By recognizing atypical presentations, collaborating with specialists, and offering comprehensive treatment options, we can better serve this underdiagnosed population.