A Scots pensioner with dementia is unable to recognise her home of 46 years or photographs of herself after the sun goes down.
Irene Haddrell, 79, is one of many dementia and Alzheimer's patients suffering from Sundown Syndrome - a condition that worsens symptoms at nighttime.
The condition exacerbates confusion and disorientation as sufferers feel the effects of mood, personality and behaviour changes in the late afternoon into early evening.
