How long have you been experiencing this symptom. Does it occur only upon waking up or even during the day?
If the numbness only occurs whenever you wake up, it is possible that your sleep posture may have something to do with it. It would be unusual for an herniated disk or nerve root compression to present with symptoms only during that time.
Your symptoms may be related to compression of a peripheral nerve which is causing the numbness in the fingers.
You could try to change your sleeping posture and see if there would be any resolution of your symptoms. If your condition persists in spite of this, you should probably go and consult a physician to check for other possible causes.
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