How to use "disturbing" in a sentence

That was the last disturbing insertion

The vision was so vivid, so disturbing, that she and her husband raced back to the city that very night to have the grave reopened at dawn

There stood Miss Fairlie, alone outside in the moonlight, looking exactly like the woman in white! I suddenly realised that the 'something missing' was this: my realisation of the disturbing similarity between the fugitive from the asylum and my student at Limmeridge House.