Unresponsive Wakefulness Syndrome (UWS) is a condition where a person appears awake but shows no signs of awareness or purposeful response to stimuli. This state can occur after severe brain injury, such as from a stroke or traumatic brain injury, and is sometimes referred to as a vegetative state. Patients may have sleep-wake cycles but do not exhibit cognitive function or interaction with their environment. Diagnosis of UWS typically involves neurological assessments and imaging studies to evaluate brain activity. While some individuals may recover from UWS, many remain in this state long-term. Research continues into potential treatments and understanding the underlying mechanisms of brain injury and consciousness.