People with dementia sometimes experience increased symptoms around the time the sun sets. This phenomenon is referred to as sundown syndrome, though it is unlinely it is caused by the setting sun. Also known as sundowning or late-day confusion, sundown syndrome occurs in people with Alzheimer's but may also affect those with non-Alzheimer's dementia.
During an episode of sundown syndrome, a person may become restless and irritable and experience psychological symptoms such as anxiety, confusion, and cognitive disturbances. Physical symptoms such as pacing or changes to motor skills may also occur. A person experiencing an episode may not know where they are, or they may become agitated and yell at caregivers.
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