Use "oppressiveness" in a sentence

1. They writhed feverishly under the oppressiveness of an emotion thrust on them by cruel Nature's law—an emotion which they had neither expected nor desired

2. There was a brooding oppressiveness in the air that seemed to bode something

3. Something struck me forcibly—it is my clear consciousness of the weight of the oppressiveness from my personality, from the fact that I am I

4. Five days have passed and I feel the oppressiveness, the weight of my body and therefore the consciousness of the existence of that which is not the body has strengthened terribly