But the judge then granted the defense an hour to afford the opportunity to seek an emergency stay.
Since then, more than an hour has passed.
Participants were notified a lunch break would run from 1 p.m.-2 p.m.
If there is a mistrial, prosecutors would need to determine whether to make another attempt with a fresh jury.
The case has captivated national attention.
It focuses on Clancy's mental health when she killed her three children, and whether she was criminally liable.
The children were killed in 2023.
The Associated Press contributed to this report