“Some things in life are difficult,” hospital chief Saggar said as the needle on the hospital’s storage tank ticked back up from close to zero.

Earlier in the day, the hospital’s chief executive, Sunil Saggar, choked back tears as he described the decision to discharge some patients because the lack of oxygen meant there was nothing his hospital could do to help.

“Every day is like this now,” Saggar said.

Constable Nancy Saggar told the CBC, “What's most concerning to us is that the people working there were all youths. You should be able to trust wherever you work that you will be safe, and this should just not happen.”

Manish Saggar, a psychiatrist at Stanford and the study’s lead author, summarized the findings: “The more you think about it, the more you mess it up.”