For the second time in three nights, the fire alarm at the Patriots' Arizona hotel has been set off, according to reports.

According to the NFL Network's Jeff Darlington, the front desk deemed the disturbance as an "anomaly."

Front desk of Patriots' team hotel calls fire alarm "an anomaly." Whatever that means, I can at least tell you that hotel is not on fire.

— Jeff Darlington (@JeffDarlington) January 27, 2015

The initial alarm rang out at approximately 1:30 a.m. on Tuesday, according to USA Today. The second alarm sounded just before 5 a.m. on Thursday morning. There were conflicting reports about whether or not the players heard the alarms.

Fire alarm went off at 4:40 am this morning for 5 minutes at #patriots hotel

— Steve Silva (@stevesilva) January 29, 2015

That's 2d time this week fire alarm at team hotel. It blared for 4-5 minutes per source #patriots

— Steve Silva (@stevesilva) January 29, 2015

Sheraton Wild Horse Pass spokeswoman Stephanie Sanstead said the hotel is investigating to determine the cause.

"We apologize to our guests," she said, according to Rolling Stone. "We are taking this matter very seriously. We are reviewing everything."

The New England Patriots are set to face off with the Seattle Seahawks Sunday in the 2015 Super Bowl.

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