
Sleeping while sitting up is a common practice in the animal kingdom, but humans often struggle with this sleeping position. While sleeping upright is neither inherently healthy nor unhealthy, it can be beneficial for people with certain medical conditions, such as morbid obesity or chronic obstructive pulmonary disease. Additionally, it may help individuals with positional sleep apnea breathe more easily. However, sleeping upright for extended periods can increase the risk of deep vein thrombosis (DVT), a potentially fatal condition caused by blood clots in the legs. To mitigate this risk, it is recommended to recline at an angle of at least 40 degrees or to periodically stand up and stretch.
| Characteristics | Values |
|---|---|
| Comfort | Sleeping upright is less comfortable than sleeping on your side, back, or stomach due to the loss of muscle tone during REM sleep. |
| Health Risks | Increased risk of deep vein thrombosis (DVT), a potentially fatal condition caused by blood clots in the legs. |
| Benefits | May improve symptoms of obstructive sleep apnea (OSA) and make breathing easier for people with heart failure and fluid buildup in the lungs. |
| Tips | Use multiple pillows for support, lean against a vertical surface or a travel companion, wear comfortable clothing, and block out noise and light with earplugs, headphones, and an eye mask. |
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What You'll Learn
- Sleeping sitting up may increase the risk of deep vein thrombosis (DVT)
- It can be more comfortable for people with certain medical conditions (e.g. morbid obesity, chronic obstructive pulmonary disease)
- It may help people with positional sleep apnea to breathe more easily by reducing the effects of gravity on the upper airway
- It can be made more comfortable with blankets, pillows, and loose clothing
- It may be easier to sleep sitting up if you block out noise and light with earplugs, headphones, and an eye mask

Sleeping sitting up may increase the risk of deep vein thrombosis (DVT)
While sleeping sitting up may be the best option for some people, it is important to be aware of the risks involved. One of the most serious risks is deep vein thrombosis (DVT). DVT occurs when a blood clot forms in a deep vein, usually in the leg, and it can have dangerous and even fatal complications.
There are several factors that contribute to the development of DVT when sleeping sitting up. One key factor is the lack of movement and muscle contractions when sitting for long periods. Normally, muscle movement helps return blood from the legs to the heart, but when sitting, the calf muscles don't contract, impeding blood flow. This is especially true when sitting with legs outstretched or elevated, as the popliteal vein behind the knee can become blocked, leading to DVT. Additionally, seats can put pressure on the calf, further impeding blood flow and increasing the risk of DVT.
Dehydration is another factor that can increase the risk of DVT when sleeping sitting up. Dehydration can cause the blood to become thicker and more likely to clot, especially in combination with lack of movement. This is often a concern during air travel, where the air is dry and dehydration can occur more easily.
Finally, other risk factors for DVT include obesity, smoking, older age, pregnancy, and a personal or family history of DVT or pulmonary embolism. These factors, combined with sitting for long periods, can significantly increase the risk of developing DVT.
To reduce the risk of DVT when sleeping sitting up, it is important to take breaks, move around, and stretch the legs frequently. Reclining the seat, if possible, can also help lower the risk of DVT by reducing the pressure on the veins in the legs.
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It can be more comfortable for people with certain medical conditions (e.g. morbid obesity, chronic obstructive pulmonary disease)
Sleeping in a sitting-up position can be more comfortable for people with certain medical conditions. For instance, people with morbid obesity may find it more comfortable to sleep sitting up. In some cases, sleeping upright may be the best option for people with certain medical conditions, provided they are able to rest comfortably and get enough sleep.
Sleeping upright may also benefit people with chronic obstructive pulmonary disease. Additionally, it can be helpful for people with positional sleep apnea (POSA) or obstructive sleep apnea (OSA). When a person sleeps flat on their back, gravity can narrow the space at the back of their mouth and upper throat, reducing the amount of air they can hold in their lungs and exhale. Sleeping upright or on one side can reverse these effects and make it easier for people with POSA or OSA to breathe.
Sleeping upright may also make it easier to breathe for people with heart failure and fluid build-up in their lungs. However, it is important to note that sleeping sitting up does not benefit everyone with OSA, and some people may experience drawbacks. It is always recommended to consult a doctor before changing sleep positions, especially for people with a history of blood clots or conditions that raise the risk of clotting. Sitting upright for too long can increase the risk of deep vein thrombosis (DVT), a potentially fatal medical condition. To lower the risk of DVT, it is recommended to recline at an angle of at least 40 degrees when sleeping upright.
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It may help people with positional sleep apnea to breathe more easily by reducing the effects of gravity on the upper airway
Sleeping while sitting up can be uncomfortable for some people. It is neither inherently healthy nor unhealthy. However, for people with positional sleep apnea, sitting up may help them breathe more easily. Obstructive sleep apnea (OSA) affects about 30 million people in the United States. For some of these people, symptoms may improve or worsen depending on their sleeping position.
When a person sleeps flat on their back, gravity can cause the space at the back of their mouth and upper throat to narrow or close. At the same time, the amount of air their lungs can hold decreases, as does the volume of air they can exhale. This can lead to disruptions in breathing.
Sleeping upright can reverse these effects by reducing the impact of gravity on the structures of the mouth and upper airway. This allows for easier breathing and can improve symptoms of sleep apnea. However, sleeping upright may not benefit everyone with OSA, and some people may experience drawbacks.
If you are unable to sleep sitting up, sleeping on your side can also help lessen the effects of gravity and reduce sleep apnea symptoms. It is important to note that sleeping upright for prolonged periods can increase the risk of deep vein thrombosis (DVT), a potentially fatal condition characterized by blood clots in the legs. To prevent DVT, it is recommended to recline your seat at an angle of at least 40 degrees or to stand up and stretch your legs periodically.
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It can be made more comfortable with blankets, pillows, and loose clothing
Sleeping while sitting up can be challenging, but there are ways to make it more comfortable. It is essential to create a relaxing environment and use the right bedding and clothing to enhance your comfort.
Firstly, gather bedding such as blankets, pillows, and towels. These will provide support and reduce any soreness from sleeping upright. A blanket or pillow placed behind your lower back will provide extra lumbar support, while a thin pillow behind your neck will allow your head to fall back slightly, making it easier to fall asleep. If you are sleeping on a hard surface, use blankets and pillows for extra padding.
Secondly, wear loose, comfortable clothing. Tight clothing can restrict your movement and blood flow, making it harder to get comfortable and increasing the risk of blood clots. Loose clothing will allow you to adjust your position more easily and improve your overall comfort.
Additionally, you can use a special travel pillow for neck and head support. These come in various forms, such as those that go around your neck or over your shoulder, or those that attach to the side of your seat. If you are sitting in a chair, such as on an airplane or train, lean back at an angle of about 40 degrees to enhance your comfort.
Finally, maintain your sleep routine as much as possible. If you normally read a book or drink tea before bed, try to do the same when preparing to sleep sitting up. Using earplugs or headphones to block outside noise and an eye mask to block out light can also help you get a better night's sleep.
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It may be easier to sleep sitting up if you block out noise and light with earplugs, headphones, and an eye mask
Sleeping while sitting up is a common practice in the animal kingdom, and some humans may find it more comfortable, especially those with certain medical conditions. For example, people with morbid obesity or chronic obstructive pulmonary disease may find it easier to sleep sitting up. Similarly, patients recovering from shoulder surgery may find it less painful to sleep in a recliner, as they can avoid rolling onto their sides.
However, sleeping sitting up can be uncomfortable for many people due to the loss of muscle tone that occurs during the REM stage of sleep. This can cause a feeling of temporary paralysis in the arms and legs, making it difficult to get comfortable. As a result, sleeping sitting up can lead to soreness and stiffness, especially in the neck and back.
To make sleeping sitting up easier, it is important to focus on maintaining good posture and supporting the lower back. This can be achieved by using pillows or padding to cushion the back and bottom, and a rolled-up towel or small pillow to support the lower back and reinforce the natural curve of the torso. Additionally, blocking out noise and light with earplugs, headphones, and an eye mask can help create a comfortable environment conducive to sleep.
It is worth noting that sleeping sitting up for extended periods can increase the risk of deep vein thrombosis (DVT), a potentially fatal condition. DVT is characterised by a blood clot that forms in the veins of the thigh or lower leg after long periods of uninterrupted sitting. Therefore, it is important to take measures to prevent DVT, such as reclining the seat to at least a 40-degree angle or periodically standing up and stretching the legs.
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Frequently asked questions
Sleeping upright is neither inherently healthy nor unhealthy. However, sitting upright for too long can increase your risk of deep vein thrombosis (DVT), a potentially fatal medical condition.
Recline your seat at an angle of at least 40 degrees. If this is not possible, you may need to stand up and stretch your legs more frequently.
People with positional sleep apnea may find it easier to breathe and sleep while sitting up. Sleeping on the side or upright can reduce the effects of gravity on the structures of the mouth and upper airway.
If you have time to prepare, gather bedding such as blankets, pillows, towels, or mats. Wearing loose, comfortable clothes and light shoes will also make it easier to sleep while sitting up.











































