Does Sleep Apnea Affect Diabetes?

Sleep apnea is a sleep disorder in which breathing repeatedly stops or becomes significantly reduced during sleep. In obstructive sleep apnea, which is the most common type, the upper airway narrows or temporarily closes during sleep. This may interrupt sleep throughout the night and cause oxygen levels in the blood to fall.

There may be an important and two-way relationship between sleep apnea and type 2 diabetes. Sleep apnea does not directly cause diabetes in every person. However, repeated oxygen drops, sleep interruptions, and changes in stress hormones may reduce insulin sensitivity and make blood glucose management more difficult.

The risk of sleep apnea may be higher in people with type 2 diabetes, while metabolic problems may become more pronounced in people with sleep apnea. Therefore, sleep health should also be assessed when diabetes is accompanied by symptoms such as snoring, pauses in breathing during sleep, and daytime sleepiness.

This content is intended for general information. An individual diagnosis, blood glucose assessment, and treatment plan must be provided by a physician.

How Can Sleep Apnea Affect Blood Glucose?

Interrupted breathing during sleep may be perceived by the body as a stressful event. Oxygen levels in the blood may fall until breathing resumes, and the brain may trigger brief awakening responses. Although the person often does not remember these awakenings, the repeated process may disrupt restorative sleep throughout the night.

Sleep interruptions and oxygen drops may affect the release of stress hormones such as cortisol and adrenaline. These hormones may contribute to the liver releasing more glucose into the bloodstream and weaken the response of cells to insulin. As a result, morning blood glucose levels and blood glucose balance during the day may be affected.

Possible effects of sleep apnea on blood glucose include:

• It may contribute to increased insulin resistance.
• It may affect morning fasting blood glucose levels.
• It may increase blood glucose fluctuations during the night.
• It may disrupt the balance of hormones that regulate appetite.
• It may reduce physical activity because of fatigue.
• It may make diabetes and weight management more difficult.

High blood glucose should not be attributed solely to sleep apnea. Nutrition, physical activity, stress, medication, infections, and other health conditions may also affect blood glucose levels.

What Is The Relationship Between Sleep Apnea And Type 2 Diabetes?

Sleep apnea and type 2 diabetes share certain risk factors. Excess weight, obesity, older age, physical inactivity, and metabolic problems may increase the likelihood of both conditions. Fat tissue around the neck may narrow the upper airway, while excess abdominal fat may contribute to insulin resistance.

This relationship cannot be explained by excess weight alone. People with a healthy weight may also develop sleep apnea because of jaw structure, enlarged tonsils, the position of the tongue base, or a naturally narrow upper airway. Similarly, type 2 diabetes does not develop solely because of sleep problems.

The two-way relationship between sleep apnea and type 2 diabetes may involve:

• Sleep apnea may reduce insulin sensitivity and affect blood glucose management.
• Excess weight associated with diabetes may increase upper airway narrowing.
• Poor sleep may make appetite and weight management more difficult.
• Chronic fatigue may make regular physical activity more difficult.
• Both conditions may be associated with high blood pressure and cardiovascular problems.

Therefore, sleep symptoms should not be overlooked in people with type 2 diabetes, and blood glucose and metabolic risks should not be ignored in people with sleep apnea.

What Are The Symptoms Of Sleep Apnea In People With Diabetes?

The symptoms of sleep apnea are not the same in every person. Loud snoring and pauses in breathing may be the main signs in some people, while morning fatigue or daytime sleepiness may be the primary complaint in others. People who sleep alone may not be aware of breathing interruptions during the night.

The following symptoms may require an assessment for sleep apnea in people with diabetes:

• Loud and regular snoring
• Witnessed pauses in breathing during sleep
• Silence after snoring followed by a forceful breath
• Waking up choking or feeling short of breath
• Morning headaches
• Waking with a dry mouth
• Frequent nighttime awakenings
• Frequent nighttime urination
• Feeling unrefreshed despite sufficient sleep
• Significant daytime sleepiness
• Attention, memory, and concentration problems
• Irritability and changes in mood
• High blood pressure that is difficult to control

Snoring alone does not mean that a person has sleep apnea. However, when snoring is accompanied by pauses in breathing, a choking sensation, morning headaches, or daytime sleepiness, an assessment with a sleep test may be needed.

Can Sleep Apnea Treatment Support Blood Glucose Management?

Appropriate treatment of sleep apnea may help regulate breathing during the night, reduce sleep interruptions, and improve daytime alertness. Better sleep may support a person’s ability to follow a daily routine and manage chronic health conditions.

Different methods may be considered according to the type and severity of sleep apnea and the person’s general health. Positive airway pressure devices, oral appliances, weight management, changes in sleep position, and surgery in selected individuals may be included in the treatment plan.

The effect of sleep apnea treatment on blood glucose may differ from person to person. Although treatment may support sleep quality and metabolic health, it does not replace diabetes treatment. Blood glucose monitoring should continue, and the results should be shared with the physician managing diabetes.

After sleep apnea treatment begins:

• Blood glucose monitoring should continue.
• Diabetes medication should not be changed without medical advice.
• Insulin doses should not be reduced or increased independently.
• The nutrition and physical activity plan should continue.
• The recommended sleep apnea treatment should be followed regularly.
• Sleep and diabetes follow-up should continue together.

Starting sleep apnea treatment does not mean that diabetes medication can be discontinued. Medication doses, timing, and treatment changes must be planned by a physician.

How Should Daily Life Be Managed With Diabetes And Sleep Apnea?

When diabetes and sleep apnea occur together, sleep, nutrition, weight management, and physical activity should be considered as a whole. Establishing regular sleep habits and continuing the recommended sleep apnea treatment may support daytime energy levels and adherence to diabetes management.

The following measures may be considered in daily life:

• Trying to sleep and wake at similar times every day
• Following the sleep apnea treatment recommended by the physician
• Planning controlled and sustainable weight loss when excess weight is present
• Engaging in regular and individually appropriate physical activity
• Avoiding alcohol before bedtime
• Quitting smoking
• Avoiding heavy meals late at night
• Not using sleep medication without medical advice
• Measuring blood glucose at the recommended frequency
• Sharing changes in sleep symptoms with the physician

Controlled weight loss may help reduce the severity of sleep apnea in people with excess weight. However, reduced snoring or feeling more energetic does not prove that sleep apnea has completely resolved. Treatment may need to be reassessed, and a follow-up sleep test may be required after a significant change in weight.

People who experience excessive daytime sleepiness because of sleep apnea should be careful when driving or performing tasks that require attention. Driving should be avoided when uncontrollable sleep episodes are present until an assessment has been completed.

Plan Your Home Sleep Test With Happ Health

If you have diabetes and experience loud snoring, pauses in breathing during sleep, morning headaches, or daytime sleepiness, an assessment for sleep apnea may be planned. With the Happ Health Home Sleep Test service, offered with the assurance of Medical Park and Liv Hospital, breathing events and oxygen changes during sleep can be recorded in your own sleep environment.

The results should be evaluated by a physician together with your medical history and symptoms. A Home Sleep Test does not diagnose diabetes or change your existing diabetes treatment.

With Happ Health’s Health Everywhere, For Everyone, Always. approach, you can take the first step toward assessing your sleep health from where you are.