Answer:
Hearing something unexpected or touching a live wire can have this effect.
What gets broken when you don't hold it?
What starts with the letter T, is filled with T and ends in T?
Its days are numbered.
What hangs in the sky by day but at night goes away?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?