New research has found that getting too much or too little sleep can increase a person's chances of developing such chronic conditions as diabetes, high blood pressure, obesity, and heart disease. Read Summary >
Experts point out that RBD is a much more serious disorder, and that ordinary nightmares and periods of violent dreams are not necessarily RBD. Read Summary >
People who have chronic insomnia have different brain patterns than well-rested people, but they perform just as well and even better in some mental tests. Read Summary >
Long-term use of a continuous positive airway pressure (CPAP) machine may reverse the heart risks found in patients with severe sleep apnea, new research suggests. Read Summary >