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.
'It is not clear why shingles pain gets worse at night, but it could be to do with levels of neurotransmitters, chemicals that transmit signals from a neuron to target cells, and hormones involved in pain perception, rising at night,' says John Oxford, a professor of virology at Queen Mary College University of London.