List of causes of Ondine's curse. Following is a list of causes or underlying conditions (see also Misdiagnosis of underlying causes of Ondine's curse) that could possibly cause Ondine's curse includes: Persons who have CCHS get it at birth, or develop it due to severe neurological trauma/damage to the brainstem.
In real life, Della (Barbara Hale) was married and Perry (Raymond Burr) was gay. So, no, they were not an item on the show or behind the scenes.
Now she has $21.87 cents. With her new funds, Della is able to find Jim the perfect present: an elegant platinum watch chain for his watch. It's $21, and she buys it. Excited by her gift, Della returns home and tries to make her now-short hair presentable (with a curling iron).