Dec 17, 2020 - Study shows strong associations between depression, anxiety, insomnia, and bad dreams in patients with heart disease. Heart patients with weekly nightmares are 5 times more likely to feel depressed or anxious and more likely to have difficulty sleeping compared to those without frequent nightmares... https://www.escardio.org/The-ESC/Press-Office/Press-releases/Nightmares-linked-with-anxiety-and-insomnia-in-heart-patients