What causes numbness in the fingers? Is it caused by cervical spondylosis?

For the phenomenon of numbness in the fingers is a relatively common phenomenon in daily life, and few people regard it as a precursor to disease. But Xiao Wang has to pay high attention to it. Last week, when she was typing at work, her fingers went numb. She thought it would be fine after a while, but unexpectedly, her index finger, middle finger and ring finger were numb throughout the whole morning. This situation continued for several days, which forced her to worry about her own health. So what causes numbness in the fingers? Is it really caused by cervical spondylosis as they said?