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Is snoring bad for you?

Snoring is a common phenomenon that happens in around 6 out of 10 adult men and 4 out of ten adult women, according to the Sleep Foundation. It is estimated that one quarter of these people that snore, do so on a regular basis.

If you are prone to loud snoring, it's possible that it disrupts your quality of sleep and also the sleep of those you share a bed (or house) with.

Dr Deborah Lee at Dr Fox Online Pharmacy explains that snoring is caused by relaxation of the smooth muscle in the back of the throat, which allows the soft tissues to reverberate as you breathe in and out.

The resultant tell-tale sounds can range from barely audible to heavy and loud snoring. In terms of your health, snoring itself is not bad for you.

However, sometimes snoring is a sign of obstructive sleep apnoea syndrome (OSAS). Known simply as sleep apnoea, OSA is a condition where التنفس becomes restricted while you sleep.

Up to 9% of adults have obstructive sleep apnoea - a relatively small percentage compared to the number of regular snorers.

There are ways to tell regular snoring and sleep apnoea apart. While regular snoring is due to noise produced by vibrations, sleep apnoea is due to a physical blockage that can restrict breathing. This obstruction happens when your throat muscles become so relaxed during sleep that your upper airway narrows or completely closes.

Apnoea and hypopnoea

Lee says: "During sleep, there can be repeated episodes where you take a prolonged pause - often 10 to 30 seconds - before starting to breathe spontaneously again."

Each pause is known as an apnoea episode. When this happens, your blood oxygen level drops and this is detected by the brain. Your brain then signals to you to wake up and to take a few deep breaths, often accompanied by an extra loud snore or snort.

"In severe cases, hypopnoea happens when your airway is 50% blocked for 10 seconds or longer," adds Lee.

People often experience these periods of reduced airflow alongside apnoea episodes.

Sleep apnoea symptoms

As sleep apnoea happens while you sleep, the most direct symptoms are usually spotted by a partner - or a parent of a child with sleep apnoea.

Is it sleep apnoea or regular snoring?

You may not experience all the above sleep apnoea symptoms, but if several of them are negatively impacting your life then it may be worth visiting your doctor to get tested. It's also particularly useful if you share a bed with someone who can see what happens while you sleep.

Frequent occurrence of apnoea and hypopnoea sets sleep apnoea apart from a regular snoring issue. However, this happens to many of us now and again.

متى يجب زيارة الطبيب

For a diagnosis of sleep apnoea, you need to have at least five episodes of apnoea, hypopnoea, or both events per hour of sleep.

The different severity levels are classified as follows:

• Mild sleep apnoea - between 5-14 episodes an hour.

• Moderate sleep apnoea - between 15-30 episodes an hour.

• Severe sleep apnoea - more than 30 episodes an hour.

Risk factors for sleep apnoea

Sleep apnoea can happen at any age, including in children. However, it is most common in middle-aged men who are overweight or have obesity, although it can affect people who are not overweight.

These all increase your chance of developing sleep apnoea because they can cause the throat to narrow. Also a family history of OSA is present in up to 40% of cases.

التعب

You may not think of tiredness as particularly dangerous, but in severe cases of sleep apnoea this can cause mental health issues or may lead you to fall asleep during the day. If you're driving, operating heavy machinery, or engaging in other potentially hazardous activities, the consequences can be serious and even lethal. For example, drivers with sleep apnoea have a 7-12% increased chance of having a car crash.

Physical health conditions

Sleep apnoea is also associated with several cardiovascular conditions - affecting the heart and blood vessels - and as a result a higher mortality rate.

"This is thought to be because breathing through an obstructed airway can result in hypoxia - relatively low levels of oxygen in the bloodstream," adds Lee.

Obstructive sleep apnoea is linked to high blood sugar levels and a chance of developing of type 2 diabetes. Also, many people with sleep apnoea also have obesity, further increasing their likelihood developing these conditions.

"There is a direct correlation between obesity and obstructive sleep apnoea", says Lee. "This is due to the deposition of fat around the neck and upper airways, and relative muscle weakness that develops in this area of the body. People with obesity are twice as likely to have poor sleep as those of a healthy weight."

الحالات الصحية النفسية

Experts have also found a correlation between sleep apnoea, depression, and القلق. In one study, depressive symptoms were found in around one half of participants living with obstructive sleep apnoea, and anxiety symptoms in more than half. Although this association isn't fully understood, it's likely that the lack of good-quality sleep caused by obstructive sleep apnoea plays a key role.

Does losing weight help sleep apnoea?

The treatment options for sleep apnoea can effectively manage the condition and improve your quality of life.

This includes general lifestyle measures such as:

• Losing weight - if you're overweight.

• Not drinking alcohol in the evening.

• Stopping smoking.

• Sleeping on your side.

Can a humidifier help sleep apnoea?

If these measures aren’t enough, your doctor may recommend using a continuous positive airway pressure (CPAP) machine. This involves wearing a mask as you sleep to pump air into your nose, keeping your throat open. Surgery is also an option in certain cases, although this isn't often carried out in adults.