You go to bed feeling reasonably comfortable, roll onto your side, and within a few minutes the outside of your hip starts aching. Maybe you shift to the other side, only to find that hip becomes uncomfortable too. By morning, the area may feel sore, stiff, or tender to the touch.
Side-sleeping hip pain is extremely common, and the mattress is not always the real problem. One of the most frequent causes is irritation of the tendons on the outside of the hip, especially the gluteus medius and gluteus minimus. This is often called gluteal tendinopathy or greater trochanteric pain syndrome (GTPS).
In the past, this type of pain was often labeled “trochanteric bursitis.” The bursa can certainly be involved, but in many people the gluteal tendons are a more important part of the problem.
Why Does Lying on Your Side Hurt So Much?
The gluteus medius and minimus muscles help stabilize your pelvis when you walk, climb stairs, and stand on one leg. Their tendons attach near the greater trochanter, the prominent bone you can feel on the outside of your hip. When you lie directly on a sore hip, your body weight compresses those irritated tissues against the bone.
Interestingly, even lying on the opposite side can sometimes hurt. If the top knee drops forward and inward, the upper hip moves across the body and can increase compression through the gluteal tendons. That is why people with lateral hip pain often notice several seemingly unrelated aggravating activities:
- Sleeping on the painful side
- Crossing the legs
- Standing with your weight shifted onto one hip
- Walking uphill or climbing stairs
- Standing on one leg to put on pants
- Sitting in a low chair for long periods
The common thread is often not simply “inflammation.” It is a tendon that has become sensitive to a combination of compression and load.
Is It Really Bursitis?
Sometimes, but not always. The term trochanteric bursitis is still commonly used because the pain is located near the trochanteric bursa. However, gluteal tendon irritation frequently accompanies this type of pain, and isolated bursitis may be less common than people assume.
That distinction matters because treating a tendon problem like a simple inflamed bursa can lead to a cycle of rest, stretching, temporary relief, and recurrence. Tendons generally do better when we reduce irritating compression while gradually rebuilding their ability to tolerate load.
Other Causes of Hip Pain at Night
Not every painful hip at night is gluteal tendinopathy. Other possibilities include:
Hip Osteoarthritis
Arthritis tends to cause deeper joint pain, stiffness, loss of motion, and sometimes groin pain. It may also make it difficult to put on shoes and socks or get in and out of a car.
Referred Pain From the Low Back
Lumbar joints, discs, or nerves can refer pain toward the buttock and lateral hip. This becomes more likely if symptoms include numbness, tingling, burning, or pain traveling farther down the leg.
Myofascial Pain
Trigger points in the gluteal muscles, tensor fascia lata, piriformis, or surrounding musculature can create aching or referred pain around the hip.
Hip Joint or Labral Problems
Pain that feels deep in the groin, catches or clicks, or is aggravated by rotation may be coming from inside the hip joint rather than from the lateral tendons.
The location of the pain, what movements reproduce it, and a few simple orthopedic tests can usually narrow the possibilities considerably.
What Can You Do Tonight?
A few simple changes can reduce compression on the lateral hip while you sleep.
- Avoid sleeping directly on the painful hip when possible.
- Put a pillow between your knees when sleeping on the opposite side. The goal is to keep the top leg from dropping across the body and compressing the irritated tissues.
- If both hips hurt, try sleeping on your back with a pillow under your knees.
- During the day, avoid repeatedly “hanging” on one hip while standing and minimize prolonged cross-legged sitting.
- Do not aggressively stretch the outside of the hip if stretching reproduces the pain. In some cases, more stretching can actually increase compression at the tendon attachment and make symptoms worse.
What Actually Helps Gluteal Tendinopathy?
The best-supported long-term approach is education plus progressive strengthening. That means reducing the positions and activities that repeatedly irritate the tendon, then gradually rebuilding strength in the hip abductors and surrounding muscles. The goal is not permanent rest. It is getting the tendon strong enough to comfortably tolerate walking, stairs, exercise, and normal daily life again.
Where Acupuncture and Dry Needling May Fit
In my Tucson clinic, lateral hip pain is a condition where I pay attention to both the irritated tendon and the surrounding muscular system. Acupuncture and dry needling may be helpful for reducing pain sensitivity, treating painful trigger points, and improving muscle function around the hip. Electro-acupuncture can also be incorporated when appropriate.
If the gluteal muscles are guarding or not functioning well because the area has been painful for months, treating those muscular components can make it easier to move and participate in strengthening. I still want the patient loading the hip appropriately. Needling is not a replacement for restoring strength. For persistent tendon problems that have not improved with conservative care, regenerative options such as prolotherapy or PRP may also be considered on a case-by-case basis. The important part is identifying the tissue involved before deciding what treatment makes sense.
When Should Hip Pain Be Evaluated More Urgently?
Most lateral hip pain is not an emergency, but further medical evaluation is appropriate if you have:
- Significant trauma or a fall followed by inability to bear weight
- Rapidly worsening weakness
- Fever, redness, or significant swelling
- Severe unexplained night pain that is not affected by position
- Progressive numbness or neurological symptoms
- Persistent pain that is worsening despite appropriate conservative care
The Bottom Line
If your hip hurts when you sleep on your side, the problem may not be your mattress and it may not be “just bursitis.” Pain over the outside of the hip is often related to irritation of the gluteal tendons and the way those tendons are being compressed and loaded throughout the day and night.
Small changes in sleeping position can help calm things down, but lasting improvement usually requires identifying the actual source of the pain and rebuilding the strength and tolerance of the hip. If lateral hip pain is interfering with sleep, walking, exercise, or stairs, an evaluation can help determine whether the problem is coming from the gluteal tendons, hip joint, surrounding muscles, or lower back.
Common Roots Acupuncture provides acupuncture, dry needling, electro-acupuncture, and integrative pain care in Tucson, Arizona.
