Compression Therapy Guide
8-15 mmHg
Prevents fatigued legs from long periods of sitting or standing
Helps relieve minor swelling of feet, ankles, and legs
Helps maintain healthy, energized legs
Helps prevent the formation of varicose and spider veins during pregnancy
15-20 mmHg
Helps to prevent reappearance of varicose veins and spider veins after vein treatment
Helps prevent deep vein thrombosis
Prevents and relieves minor to moderate varicose and spider veins
Helps relieve tired, aching legs and minor swelling of feet, ankles and legs
Helps prevent varicose veins and spider veins during pregnancy
Ideal compression level for use during travel
20-30 mmHg
Helps to prevent reappearance of varicose veins and spider veins after vein treatment
Helps prevent deep vein thrombosis
Helps prevent and relieve moderate to severe varicose veins
Helps prevent orthostatic hypotension
Helps with the management of active ulcers and post-thrombotic syndrome
Helps in treatment of moderate to severe edema or lymphatic edema
Helps relieve superficial thrombophlebitis
30-40 mmHg
Helps to prevent reappearance of varicose veins and spider veins after vein treatment
Prevents deep vein thrombosis
Helps prevent and relieve severe varicose veins
Helps reduce symptoms of orthostatic hypotension and postural hypotension
For the management of venous ulcers and post-thrombotic syndrome
Used in the treatment of severe edema and lymphedema
Sleeping in compression is not recommended and could be dangerous.
Sleeping in compression socks is generally not dangerous for healthy people, but it is usually unnecessary and can cause restricted blood flow or skin irritation if the socks crease, bunch, or fit too tightly.Why Overnight Compression Is Usually UnnecessaryGravity stops working against you: Compression socks push blood back up toward your heart against gravity, which you only need when you are upright and moving.Lying flat helps circulation: When you lie down to sleep, your legs are level with your heart, so your blood naturally flows easily without extra pressure.No added benefit: For most people, wearing them in bed provides no extra health perks.
Potential Risks of Sleeping in CompressionRestricted blood flow: Tighter or ill-fitting socks can squeeze too hard when your legs aren’t fighting gravity, actually slowing down circulation.Skin damage and creases: The fabric can bunch or crease at the ankle or calf during sleep, leading to deep indentations, pain, and even open sores.Irritation and overheating: Continuous pressure can chafe the skin, trap heat, and cause discomfort or numbness.High-risk conditions: People with peripheral artery disease (PAD), advanced diabetes, or open infections should never wear tight compression to bed unless a doctor tells them to.When Doctors Recommend ItMedical exceptions: A doctor might ask you to wear light compression overnight to help heal severe venous ulcers, manage lymphedema, or prevent clots after surgery.
The use of compression socks overnight sparks varied opinions. Generally, you can sleep in compression socks, especially if they are of lower compression levels (no more than 15mmHg). This can be particularly helpful for individuals managing conditions that benefit from sustained mild compression, such as chronic venous insufficiency or orthostatic hypotension.
However, it is advised to avoid sleeping in compression stockings with higher compression levels, as these are best suited for active hours when the body is upright and combating gravity.
Benefits of Compression Socks
Compression socks primarily assist with circulation and swelling reduction. For individuals with specific circulatory conditions like orthostatic hypotension, which can cause dizziness upon standing, sleeping in compression socks might be beneficial. These socks can maintain consistent blood flow, which helps mitigate symptoms overnight.
For those prone to leg swelling, especially during travel or long periods of inactivity, wearing compression socks can also be helpful. They aid in fluid dynamics by preventing the uncomfortable buildup of fluids in the lower extremities.
Potential Drawbacks of Sleeping in Compression Socks
While compression socks offer significant benefits, there are several potential drawbacks to consider, especially when considering wearing them overnight:
Overcompression Issues: When lying down, the body does not battle against gravity; thus, high compression levels are not necessary and can restrict circulation, leading to discomfort, tingling, or numbness.
Hygiene Concerns: Continuous wear without sufficient breaks and proper cleaning can foster bacterial or fungal growth, leading to infections.
Skin Irritation: Constant compression, especially if the socks are too tight or ill-fitting, can chafe and irritate the skin. Areas particularly at risk include the ankles and shins.
Temperature Discomfort: Wearing compression socks in warm conditions or while sleeping can cause overheating, making it uncomfortable to get a good night’s rest.
Gordon, S. (2026). Should you be sleeping in compression socks? What to know. Health.
Health Essentials. (2021). Can you sleep in compression socks? Cleveland Clinic.
Marceau, A. (2025). Should you wear compression socks to bed? Healthline.
Class I Mild Compression
15-21 mmHg compression stockings can help with mild symptoms of chronic venous insufficiency (CVI) by improving circulation, reducing swelling, and easing discomfort like tired or aching legs. They are best for mild conditions, while more severe CVI may require higher compression levels, and it’s crucial to ensure you don’t have arterial disease before using them.
Class 1 stockings help to:
Improve circulation. The graduated compression applies more pressure at the ankle and tapers up the leg, helping blood flow from the feet back to the heart.
Reduce swelling. This pressure helps decrease minor swelling in the feet, ankles, and legs.
Alleviate discomfort. They can relieve common CVI symptoms like tired, aching legs and general discomfort.
Provide preventative support. For individuals with a family history of venous disease or very early symptoms, this level can offer preventive support.
Important considerations for Class 1 stocking:
Mild symptoms. This compression level is generally effective for mild CVI symptoms, such as minor swelling and discomfort. For more moderate to severe CVI, such as pronounced varicose veins or skin changes, your doctor may recommend higher compression levels like 20-30 mmHg or 30-40 mmHg.
Arterial health. It is critical to have your arterial health checked before using compression stockings. If your ankle-brachial index is below 0.6, avoid compression therapy due to the risk of worsening arterial compromise.
Professional guidance. Always consult a healthcare professional to determine the right compression level and product for your specific condition.