I love it when my thoughts wander off, imagining different worlds and beyond. But apparently other people don't. They would rather experience pain... yikes!
Volunteers in this study took part in a ‘thinking period' where they were left alone to their own thoughts. Then they were offered the option of giving themselves an electric shock. They rated the whole experience - and seemed to prefer the shock.
Boredom played a major part, but I'm sure that many of us love daydreaming, including me.