What causes Sundowner’s and triggers the behaviors and mood changes?
There seem to be as many theories of the causes of Sundowner’s Syndrome as there are symptoms. Experts agree on a few, and other experts have formed different ideas. Medical research continues, and it’s important to stay up-to-date as more possible causes emerge.
Some medical professionals believe that the syndrome is an accumulation of all of the sensory stimulation from the day that starts to overwhelm and cause stress. Others speculate that it is caused by hormonal imbalances that occur at night. Another theory follows that the onset of symptoms at night is simply due to fatigue; while some believe it has to do with the anxiety caused by the inability to see as well in the dark.
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