Trapped in a Nightmarish Spiral: How Sleep Deprivation Results in Troubling Dreams
You know that feeling when you are being chased down a dark alley and come across a dead end. Sweat drips down your sternum as your heart beats a million miles an hour, and then suddenly… you wake up. These hyper-realistic dreams are a result of a phenomenon known as REM rebound. Our most complex and vivid dreams occur in the final stage of sleep, known as REM (rapid-eye movement sleep). This REM period lengthens throughout the course of the night as you cycle through the various sleep stages, reaching its maximum duration just before you awaken. The REM portion frequently suffers the most when you get less sleep than the recommended 7 to 8 hours. So when you do finally catch up on sleep, it comes to bite you back full force and brings with it more intense dreams. Psychologist Tore Nielsen, director of the Dream and Nightmare Lab at the Sacré-Coeur Hospit...