Doctors?? Thought it is Something Super Natural

It Happened in a Hospital that ICU patients died in the same bed every Sunday at 11 AM.?
.
.
Doctors thought it is something Super Natural.

.
.
.
Worldwide Expert team was formed to Investigate the cause.. . . .
.
.
.
Next Sunday, few minutes before 11 AM, all doctors & Nurses stood around that Bed & Waiting to see what it was
.
.
.
Then Suddenly MUNIYAMMA (Part time Sunday sweeper) Entered the ICU,
unplugged the Life Support system of that Bed & then plugged her Mobile Charger..