我的手臂因为长时间压在身下而感到一种奇怪的异常感觉。

I felt a strange ___paraesthesia in my arm after sleeping on it for hours.

她经常感到腿部有刺痛感，医生诊断这是由神经问题引起的异常感觉。

She often feels a tingling ___paraesthesia in her legs, which the doctor diagnosed as nerve-related.