Sleep Apnoea in Women: Symptoms, Causes, and Treatment

Sleep apnoea occurs when breathing stops and starts during sleep. Women often experience different symptoms than men—fatigue and mood changes are more common than snoring. Pregnancy, menopause, and PCOS increase risk. Diagnosis may require a sleep study. Treatment includes CPAP machines, lifestyle changes, and sometimes medications. The condition is manageable with proper medical guidance.

In plain words

Sleep apnoea happens when your breathing stops and starts during sleep. Women often have different symptoms than men, like feeling very tired or having mood changes instead of loud snoring. Pregnancy, menopause, and PCOS can increase the risk. To diagnose it, your doctor may suggest a sleep study. Treatment can include CPAP machines, lifestyle changes, and sometimes medicine. With the right care, sleep apnoea can be managed.

What is Sleep Apnoea in Women: Symptoms, Causes, and Treatment?

Symptoms

Early symptoms

Excessive daytime fatigue: Persistent tiredness despite adequate sleep hours is one of the most common symptoms in women. Many describe it as an unrelenting exhaustion that interferes with daily activities. (1) (3)
Frequent nighttime awakenings: Women often wake up multiple times during the night, though they may not remember these episodes. Some report feeling like they can't catch their breath upon waking. (1) (2)
Morning headaches: Waking up with headaches is common due to oxygen deprivation during sleep. The pain is often described as dull and generalized. (1) (3)
Mood disturbances: Irritability, depression, or anxiety frequently accompany sleep apnoea in women. The sleep fragmentation affects emotional regulation. (1) (3)
Insomnia symptoms: Difficulty falling or staying asleep is more commonly reported by women with sleep apnoea than by men with the condition. (3)
Nighttime urination: Waking frequently to urinate may occur due to hormonal responses to oxygen deprivation during apnoea episodes. (1)

Serious or emergency symptoms

Extreme daytime drowsiness: Severe sleepiness while driving, at work, or during conversations indicates very disrupted sleep and requires prompt medical attention. Schedule urgent evaluation with a sleep specialist. (1) (2)
Gasping or choking during sleep: If you or your partner notice episodes where breathing stops followed by gasping or choking sounds, this signals significant apnoea. Seek medical evaluation within days to weeks. (1) (2)
Chest pain upon waking: Any chest pain related to sleep requires emergency evaluation as it may indicate heart complications from severe oxygen deprivation. Seek emergency medical care immediately. (1)
Confusion or memory problems: New cognitive impairment suggests significant oxygen deprivation during sleep and requires urgent assessment. See a doctor within days to rule out other possible causes. (2)

Causes

Primary causes

Airway obstruction: The most common cause is physical blockage of the airway when throat muscles relax during sleep, called obstructive sleep apnoea (OSA). (1)
Hormonal changes: Pregnancy, menopause, and menstrual cycles affect airway muscle tone through progesterone and estrogen fluctuations. (1) (3)
Anatomical factors: Women naturally have smaller airways than men, which are more prone to collapse during sleep. (1) (3)
Central sleep apnoea: Less common in women, this type occurs when the brain fails to send proper signals to breathing muscles. (1)

Risk factors

Menopause

Declining progesterone levels after menopause reduce airway muscle tone, increasing apnoea risk. (3) (7)

Pregnancy

Weight gain and hormonal changes in pregnancy, especially third trimester, create higher risk. (3) (7)

Polycystic ovary syndrome (PCOS)

Women with PCOS have higher obesity rates and hormonal imbalances that contribute to sleep apnoea. (3)

Obesity

Excess weight, especially around the neck, increases airway collapse risk. A neck circumference over 16 inches is concerning. (7)

Family history

Having relatives with sleep apnoea suggests possible inherited anatomical traits that contribute to the condition. (7)

Diagnosis

Diagnosis begins with discussing your symptoms and sleep patterns with your doctor. They may recommend an overnight sleep study (polysomnography) either in a lab or at home to monitor breathing, oxygen levels, and brain activity. Women should inform their doctor about menstrual cycles, pregnancy, or menopause status as these affect test interpretation. Questionnaires like the Epworth Sleepiness Scale help evaluate daytime sleepiness severity. Sometimes multiple tests are needed as symptoms can vary with hormonal fluctuations.

Overnight polysomnography

Gold standard test measuring breathing patterns, oxygen levels, heart rate, and sleep stages in a controlled environment. (2) (6)

Home sleep apnoea test

Simpler version of sleep study done at home that monitors breathing and oxygen levels for convenience. (2) (6)

Epworth Sleepiness Scale

Questionnaire assessing likelihood of falling asleep in daily situations to evaluate daytime sleepiness severity. (2)

Physical examination

Evaluation of mouth, throat, neck circumference and blood pressure to identify risk factors and rule out other conditions. (6)

Treatment

Medication options

Continuous Positive Airway Pressure (CPAP)

Delivers gentle air pressure through a mask to keep airways open during sleep. Newer models offer smaller masks designed for women's facial structures. (4) (5) (6)

Oral appliances

Custom-fitted mouthpieces gently shift the jaw forward to prevent airway collapse, ideal for mild to moderate sleep apnoea or those who can't tolerate CPAP. (5) (6)

Oxygen therapy

Used when central sleep apnoea (brain signaling problem) causes low oxygen levels despite addressing airway issues. (4) (6)

Lifestyle and self-care

Weight management: Losing even 10% of body weight can significantly reduce apnoea episodes if excess weight contributes to airway collapse. (5)
Sleep position adjustment: Sleeping on your side rather than back helps prevent airway collapse for some women. Special pillows or alarms can help maintain position. (5)
Avoid alcohol and sedatives: These substances overly relax throat muscles, worsening airway collapse. Avoid them, especially in the evening. (5)
Smoking cessation: Smoking irritates and inflames the airways, increasing collapse risk and decreasing oxygen absorption. (5)

Always discuss dosing and treatment changes with your own prescriber.

Possible complications

Cardiovascular problems: Repeated oxygen deprivation strains the heart, increasing risks of high blood pressure, heart disease, stroke, and irregular heart rhythms. (7)
Metabolic syndrome: Sleep deprivation affects hormone regulation, increasing risks of insulin resistance, type 2 diabetes, and high cholesterol. (7)
Pregnancy complications: Pregnant women with untreated sleep apnoea face higher risks of gestational hypertension, preeclampsia, and premature birth. (7)
Neurocognitive impairment: Chronic poor sleep quality leads to memory problems, difficulty concentrating, and reduced executive function. (7)
Mood disorders: Persistent sleep disruption increases risks of depression, anxiety, and irritability that may persist even with treatment. (7)

When to see a doctor

Routine follow-up

Schedule an appointment if you experience persistent daytime fatigue, morning headaches, or mood changes that interfere with daily life—even if you don't snore. (1) (2)
Women planning pregnancy with known risk factors (like obesity or PCOS) should discuss sleep apnoea screening with their doctor. (1) (3)

Seek emergency care

Seek emergency care for chest pain during sleep, prolonged breathing pauses observed by a partner, or sudden inability to stay awake while driving. (1)
Pregnant women should get emergency evaluation for new severe headaches, vision changes, or high blood pressure possibly related to sleep apnoea. (1) (3)

Frequently asked questions

How do sleep apnoea symptoms differ in women versus men?

Women are more likely to report fatigue, insomnia, mood changes, and morning headaches rather than the classic loud snoring seen in men. Women often attribute symptoms to stress or hormonal changes, leading to delayed diagnosis. The medical community now recognizes these gender differences in presentation. (1) (3)

Why is sleep apnoea often missed in women?

Women tend not to fit the stereotypical image of sleep apnoea patients (overweight, middle-aged men who snore). Many doctors historically didn't consider it as a cause for fatigue or insomnia in women. Women themselves often normalize tiredness as part of busy lives. Screening tools developed primarily with male patients may overlook female-specific symptoms. (1) (3) (2)

Does pregnancy increase sleep apnoea risk?

Yes, pregnancy increases risk through multiple mechanisms: weight gain pressures the diaphragm, hormonal changes relax airway muscles, and increased blood volume causes nasal congestion. Third trimester carries highest risk. Gestational sleep apnoea increases risks of pregnancy complications. Most cases resolve after delivery, but some women continue experiencing symptoms. (3) (2)

Can menopause affect sleep apnoea?

Yes—progesterone, which helps maintain airway muscle tone, declines significantly after menopause. Many women first develop symptoms during perimenopause as hormonal fluctuations begin. Postmenopausal women have 3-4 times higher sleep apnoea risk than premenopausal women. Treatment can be effective regardless of menopausal status. (3) (1)

What are CPAP alternatives for women?

For milder cases, oral appliances that reposition the jaw may be effective. Positional therapy (side sleeping) helps some women. Weight management is key when excess weight contributes to symptoms. Hormone therapy may benefit postmenopausal women after careful discussion of risks. Upper airway exercises can improve muscle tone. Surgery is an option when anatomical issues are clearly identified. (5) (6)

References

Mayo Clinic - Sleep apnea symptoms source 1
NHS - Obstructive sleep apnoea source 2
Cleveland Clinic - Sleep Apnea in Women source 3
MedlinePlus - Sleep Apnea source 4
NHS - Sleep apnoea treatment source 5
Mayo Clinic - Sleep apnea treatment source 6
Cleveland Clinic - Sleep Apnea risks source 7