A Condition That Looks Different in Women
Sleep apnea is often thought of as a condition affecting overweight middle-aged men. The reality is that roughly 1 in 4 women has clinically significant sleep apnea — and the vast majority are never diagnosed. The reason? The condition looks different in women, and both patients and physicians often miss it.
Why Sleep Apnea Is Underdiagnosed in Women
Studies consistently show that women with sleep apnea are diagnosed far less often than men with comparable severity. Women are less likely to be referred for sleep studies, in part because they are less likely to present with the classic symptom of loud disruptive snoring.
Female sleep apnea patients are more likely to present with insomnia, fatigue, depression, anxiety, and headaches — symptoms frequently attributed to other conditions such as hypothyroidism, anemia, or simply the demands of daily life. Women are also more likely to have their symptoms dismissed or normalized by healthcare providers.
Symptoms of Sleep Apnea in Women
While men typically present with loud snoring and observed breathing pauses, women are more likely to experience:
- Persistent fatigue despite adequate sleep time
- Insomnia — difficulty falling or staying asleep
- Morning headaches
- Depression or anxiety that is difficult to resolve
- Brain fog and difficulty concentrating
- Restless legs or periodic limb movements
- Frequent nighttime awakenings
- Mild or positional snoring (often dismissed as insignificant)
Hormonal Factors and Life Stages
Hormones play a significant role in sleep apnea risk for women. Estrogen and progesterone have protective effects on the upper airway, which is why premenopausal women have lower rates of sleep apnea than men of the same age. This protection disappears rapidly after menopause — postmenopausal women have sleep apnea rates two to three times higher than premenopausal women of the same age and weight.
Pregnancy also significantly increases sleep apnea risk due to weight gain, nasal congestion, and hormonal changes. Women with polycystic ovary syndrome (PCOS) have elevated rates of sleep apnea at any age due to hormonal dysregulation.
Getting Diagnosed and Treated
Any woman experiencing persistent fatigue, mood disturbances, or non-restorative sleep should ask her doctor about being evaluated for sleep apnea — especially if she is postmenopausal, overweight, or has a family history of the condition.
Oral appliance therapy is often particularly well-suited for women, who tend to have smaller jaws and find CPAP masks less comfortable. A custom mandibular advancement device fitted by a dental sleep medicine specialist can effectively manage sleep apnea with minimal disruption to daily life.