Daydreamers are more likely to develop insomnia because their brains find it difficult to 'shut down' at night

Daydreamers are more likely to be insomniacs, according to a new study.
Brain scans of insomniacs have revealed that regions of the brain associated with wandering thoughts do not shut down when the brain is given complex tasks. This means sufferers usually put more effort into daytime jobs than healthy sleepers.
The discovery of variations in brain activity between sufferers and people without the condition could be a marker to target in the search for effective treatment, according to scientistsA team from the American Academy of Sleep Medicine, led by Dr Sean Drummond, associate psychiatry professor at the University of California uncovered the link between the affected daytime and nightime brain activity in primary insomniacs
Source  - Daily Mail