What I hate, and frightens me, is it can come on at any time.
Last time, two weeks ago was in a hotel on the eve of getting the morning ferry home from France.
I put my head down on the bed to go to sleep and suddenly the whole room was going round. I couldn’t see properly, the wall was just flashing back and forth and I started throwing up into the bin. This went on for an hour or so until it had settled down enough for my Mrs to do the Epley manoeuvre on my neck and head. She did it a couple of times, and I threw up again but was then able to settle to sleep. If I’d shown up at the ferry port like that they would not have let me travel. By the morning I was OK enough to travel but the time before it lasted two weeks of utter hell.