Small study finds delayed reaction among those who had trouble resting for more than 10 weeks TUESDAY, July 22, 2014 (HealthDay News) -- People who suffer long-term sleep problems after a divorce are at risk for a rise in blood pressure, a new study suggests. Previous research has linked divorce to major health problems and even early death, but few studies have examined the reasons for this link. Sleep trouble may be one of the causes, according to the University of Arizona investigators.