The thing which has become the sleeping partner of almost every person is ‘SNORING’. It is disturbing almost every individual while having their most precious practice ‘sleeping’. According to NATIONAL SLEEP FOUNDATION snoring affects 90 million adults.

What Is Snoring

It is a sound resulting from turbulent airflow that causes tissues to vibrate during sleep. This troublesome problem can be treated well by fathoming the various stages of sleep and getting known that at what stage does snoring occurs.

Why Do People Snore

Why do you snore? What causes snoring? These are common questions you ask yourself if you are a snorer. Snoring can be occur because of many reasons. This can be due to allergies, or may be due to the swelling of the upper airway that causes snoring.

Mostly people get affected by dry air or climate changes. There may be lot of dust or population that can feel like congested. If you are overweight, then it may be the reason of snoring for you.

What is the Sleep Cycle?

The sleep cycle comprises five distinct stages, each with unique characteristics and importance for overall health and restfulness. While many believe snoring signifies deep sleep, it actually occurs more frequently in the non-REM stages, particularly stages 3 and 4, where the body relaxes deeply. Understanding at which stage you snore is essential, as it provides insights into your sleep quality and potential health implications. This knowledge can be especially important if snoring is prominent in stage 5 (REM sleep), which may indicate more serious concerns.

What is the Sleep Cycle?

What Stage Of Sleep Do You Snore?

Snoring has the tendency of occurring according to the stages of sleep and to be aware of your stage in which you snore is a very important thing to know. Sometimes people take it lightly but if you are snoring at fifth stage then it may be a serious topic to know about. Let’s find out how?

Sleep includes FIVE stages:

#1 Stage- Introduction to Sleep:

This is the stage of light sleep or ‘twilight stage’ and you can be woken up by disturbances or noise. There is no muscle movement and the eyes behind the eyelids begin to move slowly.

#2 Stage – Beginning of Sleep:

At this stage, you are completely asleep and not aware of the noises or surroundings. Breathing and heart rate regulates while eye movement stops and body temperature goes down.

#3 Stage – Slow Wave Sleep:

There is low brain activity and brain waves slow down. This is the slow wave deep sleep, with the breathing rate and muscles completely relax. It is difficult to wake up from it and can be disorienting if an alarm rings.

#4 Stage – Deep Sleep:

This is the deeper sleep stage, but non-REM stage, when brain waves slow down further and tissue repair occurs. There is no eye movement while the growth hormones are released. It can be extremely difficult to wake up directly from this stage.

#5 Stage of Sleep: REM or Rapid Eye Movement Sleep:

This is the REM stage and, in this stage, you dream. The eye moves rapidly behind the eyelids, breathing is rapid but shallow. Heart rate increases but limbs are sort of paralyzed so you don’t act out the dreams. In this stage, brain sorts out and stores information while parts of the brain needed for learning and memory are stimulated.

REM or Rapid Eye Movement Sleep

Which Sleep Cycle Stages are Most Important for Quality Sleep?

All stages of the sleep cycle are crucial for quality rest, but stages 3 and 4, known as deep sleep stages, are particularly vital. During these stages, the body undergoes significant recovery, tissue repair, and growth hormone release. Contrary to common belief, snoring—a sign often mistaken for deep sleep—can disrupt this critical recovery period, indicating less restful sleep. Achieving uninterrupted deep sleep is essential for optimal health and well-being.

What Disrupts Sleep Cycles?

Factors disrupting sleep cycles include stress, irregular sleep schedules, and lifestyle habits like alcohol consumption. Snoring, often occurring in non-REM deep sleep stages, can also significantly disrupt sleep, not just for the snorer but for their partner as well. Misunderstanding snoring as a sign of deep sleep overlooks its potential to interfere with the critical stages of sleep when the body repairs and rejuvenates itself.

The Impact of Snoring on Sleep Cycle Stages

Snoring primarily affects the non-REM stages of sleep, particularly stages 3 and 4 where deep sleep occurs. While many consider snoring a hallmark of deep sleep, it actually signifies breathing irregularities that can disrupt sleep quality. This disruption can prevent the snorer from fully benefiting from the restorative effects of deep sleep, impacting overall health and functioning. Understanding and addressing snoring is crucial for preserving the integrity of these essential stages of sleep.

Snoring and Sleep Stages

Snoring mainly occurs heavily during third and fourth stages of sleep which is deep slow. On the other hand during REM sleep stage snoring can grow irregular. Snoring changes throughout the stages of sleep. Snoring mostly occurs in the third stage of sleep. There are less changes of snoring in first and second stage but it is possible for some times.

Snoring occurs more when the person is more relaxed than usual. It doesn’t normally occur in the fifth stage which is REM. Snoring at some stages can be a sign of health problems. In the fifth stage of sleep snoring is a sign of a serious sleep disorder called SLEEP APNEA.


Snoring is that problem which we all usually ignore but our ignorance can lead to severe inconceivable results. Sleep Apnea is also major sleep destruction and snoring at fifth stage can be a bold sign of it.

As it is well said “Precaution is better than cure”, therefore one should not ignore the beginning indication of snoring and one must take required action.


No, snoring does not necessarily mean deep sleep. While commonly misconceived as a sign of deep slumber, snoring actually indicates a partial blockage in the respiratory pathways, which can happen in any sleep stage but is more common in non-REM stages, particularly stages 3 and 4, known as deep sleep.

Snoring most often occurs in the non-REM stages of sleep, especially during stages 3 and 4, when the body enters deep sleep. During these stages, the muscles of the throat relax, which can lead to partial airway blockage and the characteristic sounds of snoring.

Snoring is not a reliable sign of deep sleep. Instead, it’s an indication of airflow restriction in the breathing passages. Snoring can disrupt the quality of sleep, preventing the deep, restorative rest that the body needs for optimal health.

Yes, snoring can occur during the deep sleep stages, particularly in stages 3 and 4 of non-REM sleep. This is when the body is most relaxed, increasing the likelihood of airway obstruction and snoring. However, snoring can also happen in other sleep stages.

While less common, snoring can occur during REM sleep. During this stage, despite the body being in a paralyzed state to prevent acting out dreams, the throat muscles can still relax enough to cause snoring, especially if other factors like sleep position or nasal congestion are present.

Deep sleep snoring refers to snoring that occurs during the deep sleep stages of non-REM sleep. It’s characterized by loud, consistent snoring due to the significant relaxation of throat muscles and reduction in the body’s muscle tone, leading to narrowed airways and vibration of soft tissues.

Snoring during sleep is caused by the vibration of relaxed tissues in the throat and nasal passages. Factors contributing to snoring include obesity, alcohol consumption before bedtime, sleep position, nasal congestion, and anatomical variations in the throat and nasal passages.

Reducing snoring can involve lifestyle changes such as losing weight, changing sleep positions, avoiding alcohol before bed, and managing allergies. Additionally, practicing good sleep hygiene, using nasal strips or anti-snoring devices, and staying hydrated can help alleviate snoring. Consulting a healthcare provider is also recommended for personalized advice.

Yes, persistent snoring can be a sign of underlying health issues, such as obstructive sleep apnea (OSA), chronic nasal congestion, obesity, or an anatomical abnormality. It’s important to consult a healthcare professional if snoring is loud, frequent, and accompanied by symptoms like daytime fatigue or sudden awakenings.

About Asonor Team

Asonor is the market leader in Denmark within its category. Asonor effect on snoring is clinically proven and was registered in 2005 by the health authorities in the EU. Today Asonor is registered by the health authorities in more than 70 countries. At Asonor, we aim to help you sleep comfortably, breathe easier and live healthier. We are the world leading brand in anti-snoring medicine, distributing worldwide through an expanding and highly successful network of distributors.


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