by Christian Goodman New research published in the medical journal Sleep last month found people who had insomnia have higher blood pressure at night. Over time, this high nighttime blood pressure can lead to cardiac troubles. Lead author Professor Paola Lanfranchi told Medical News Today that chronic insomnia can have adverse effects on the hearts of otherwise healthy individuals over a period of time. Your blood pressure decreases in regular sleepers and gives your heart a rest, insomnia p