Causes of Vertigo. Vertigo is often caused by an inner ear problem. Some of the most common causes include: BPPV. These initials stand for benign paroxysmal positional vertigo. BPPV occurs when tiny calcium particles (canaliths) clump up in canals of the inner ear.
I think the pain is worse at night because of the activity during the day. I do experience pain at night (and throughout the day off & on). It makes it hard to go to sleep at night plus in the middle of the night the pain wakes me up.
Then you get them growing in the uterus. Pinworms lay there eggs at night while your in bed. That is why there is intense itching with kids at night in bed. I asked the doctor at the hospital where my grandmother is staying if he ever saw worms in someone's heart with a radar scan.