sundown
verbEtymology From sun + down.
1
to experience an episode or an onset of some detrimental mental condition like agitation, anxiety, hallucination or dementia, daily at the approach of nightfall.
- "She also “sundowned”, and someone had to keep an eye on her 24-7."2009, Kay Cameron, Tim Rhodus, Life With God 101:
- Derived terms
- sundowner, sundowning