I slept the wrong way last night and woke up with shooting pains in my neck. I was in so much pain I couldn't even roll over, all I could do was moan in pain.
この場合、次のような言い方ができますよ。
ーI slept the wrong way last night and woke up with shooting pains in my neck. I was in so much pain I couldn't even roll over, all I could do was moan in pain.
「昨夜寝違えて首に刺すような痛みで目覚めた。ものすごく痛くて寝返りも打てず、痛みにうなるしかなかった」
to sleep the wrong way「寝違える」
shooting pain「電撃痛」
to roll over「寝返りを打つ」
to moan「うなる」
ご参考まで！
カナダ 
