If it can happen to Barney Fife... *
"Libia Vargas De Dinas said she held tight to her faith for the three nights she spent inside a holding cell after the door closed behind her on Friday, Jan. 27.
The 72-year-old janitor was cleaning an inmate holding cell at the Orange County Courthouse in Orlando, Florida, Friday night when "the door shut behind her and she was unable to open it," police said...
Vargas De Dinas told the station by phone from her hospital bed that she knew no one would go up to the 23rd floor until Monday morning, describing that realization and the fact that her key card and cell phone were out of reach as "total despair.""
" While she didn’t have food for those three nights, she was able to drink from a faucet above the cell’s toilet. Complicating her problem was her diabetes and the fact that she couldn’t take any insulin."
Dreamin Demon has covered this circumstance before...
* Locked in a room/freezer/vault accidently has happened many, many times on TV:
Locked in a Freezer - TV Tropes
Two or more characters are locked in a walk-in freezer, meat locker, bank vault, or some other small, contained space where they're subjected to extreme cold, lack of oxygen, or both. Death is usually imminent. The characters talk a lot, often …
tvtropes.org
Florida courthouse janitor, 72, who is diabetic, accidentally locked in cell over weekend: ‘I prayed to God’
A janitor who was accidentally trapped inside a courthouse cell for three nights last weekend said she held onto her faith to get her through her ordeal.
