Pretty much every night in bed, my left thigh falls asleep. If I am sleeping and roll over on to the right side, I am woken up pretty suddenly with pins and needles.

I was in the military 20 years ago, took some time off exercise and put on about 50lbs, then took it off 2 years ago. I now work out 5 days a week, run 3-6 miles mon-fri, lift weights mon/wed/fri, do yoga every morning.

Asked my doctor about the issue, but he wasn’t sure what the issue could have been. I fall asleep on my back.

Has anyone had anything similar and figure it out?

15 comments
  1. Likely an alignment issue in your low back and/or hips. I have had similar where the major quad muscles in my right leg would fall asleep when I was lying in bed on my back.

    Two things helped me…
    1. replacing the bed (which was older) and not necessarily suited for my sleep type (stomach sleeper)
    2. stretching that focused on hip mobility. Stuff like hip flexor stretches, periformus stretches, deep quad stretches and hamstring stretches.

  2. Yoga is good but are you doing direct stretches for your quads, hammy, calves, hip flexor, lower back, ( yeah this is a lot but similar to the warm up stretches in the military) and holding for at least 20 seconds?

  3. Make sure you’re taking a good multi-vitamin with a Calcium-Magnesium-Zinc supplement. A lot of health issues that men encounter as they start getting older result from mineral deficiencies. An iron deficiency, for example, is thought to contribute to Restless Leg Syndrome. Magnesium deficiency can contribute to a feeling of numbness in the limbs. So that’s an easy and cheap fix if that’s what’s going on.

  4. I have this exact problem. I traced the issue to something called Meralgia Paresthetica. Does the numbness cover the area in this picture? https://creeksidechiro.com/meralgia-paresthetica
    If it does, highly likely to be MP. It’s caused by compression on a sensory nerve which innervates the outer thigh. The nerve travels through the front of your hip and is easily bound and compressed by the “fascia” (soft tissue) from frequent sitting, tight pants, not stretching and exercising enough, and especially heavy tool belts. It affects men in their thirties and forties most frequently. There are some great YouTube videos for addressing this issue by physical therapists. I recommend possibly seeing a PT if it is really bothering you. The good news is that it can be improved or eliminated entirely by doing exercises which increases the mobility of that nerve through the hip fascia, which is the goal for those exercises. I know it’s uncomfortable. Good luck resolving this.

  5. Not normally no. It happens all the time. But I’ve always been able to trace the source to a bad position.

    I really hesitate to suggest it but…maybe a Chiropractor?

  6. Get yourself a leg pillow. When I sleep on my back, it’s under my knees. When on my side, it’s between my knees. It has helped significantly with all sorts of pains and numbness.

  7. Could also be a lymph edema.

    Lymph circulates through the body and pools because of a blockage. It gives that sensation plus a tightness as well.

  8. Could be a disc bulge in your back pushing on a nerve. Different positions can affect cause more pressure on the nerve if the space they got through (neuroforamena) are already narrowed. This could be confirmed with an MRI.

  9. I had some weird nerve stuff going on with my thigh and figured out tight pants and sitting in a desk chair for hours was the culprit. Stopped wearing skinny jeans and it fixed the problem.

  10. Not my legs but I have found something similar in my arms after taking up weight training. I think if you put a bit of muscle on it can press against the nerves more easily and cause the sort of effect you mention. I don’t think it’s a good thing though so it’s worth working out a way to prevent it from happening.

  11. Hello! I’ve been feeling exactly like this, numbness in my thigh and sometimes I feel a sharp pain when my thigh is numb.

    Do you get it checked out? Did you manage to fix it ?

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