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Staying up late has its perks (as long as you can hit the snooze button the next morning), but light dreams is not one of them. Research published in 2011 in the journal Sleep and Biological Rhythms, revealed that night owls are more likely than their early-bird counterparts to experience nightmares.
In the study 264 university students rated how often they experienced nightmares on a scale from "0," (meaning "never") to "4" (meaning "always"). The stay-up-late types scored, on average, a 2.10, compared with the morning types who averaged a 1.23. The researchers said the difference was a significant one, however, they aren’t sure what's causing a link between sleep habits and nightmares.
