Definition of angst-ridden - filled with deep anxiety, especially about oneself or about the nature of existence Definition of angst-ridden - filled with deep anxiety, especially about oneself or about the nature of existence
Other Sections. For most people, dreaming is purely a mental activity: dreams occur in the mind while the body is at rest. But people who suffer from REM sleep behavior disorder (RBD) act out their dreams. They physically move limbs or even get up and engage in activities associated with waking. Some engage in sleep talking, shouting, screaming, hittting or punching.
According to the activation-synthesis theory, dreams are merely the brain's reaction to random biological processes that occur during sleep. Various parts of the brain-in particular the pons, part of the brain stem-continue to function and produce stimuli during sleep and REM sleep in particular.