Here's the chilling reason some Disney hotels are getting rid of 'do not disturb' signs

Walt Disney World resorts are beginning to do away with one traditional hotel feature -- and the possible reason why is haunting.

Four of the Florida theme park's main hotels, The Polynesian, The Grand Floridian, The Contemporary and The Bay Lake Resorts, will now have "room occupied" signs in place of the usual "do not disturb" signs.

Guests can use the new "room occupied" signs to let maintenance and housekeeping staff know that they are still in their rooms, but it will not prevent employees from entering.

The switch is being implemented by the properties just months after the deadly mass shooting in Las Vegas, where gunman Stephen Paddock rained down bullets on a music festival from his Mandalay Bay hotel room, killing 58 concertgoers and injuring hundreds of others.

In the days before the Oct. 1 massacre, Paddock hid his arsenal of weapons from hotel staff by hanging a "do not disturb" sign on the door of his 32nd-floor hotel room.

SEE: Scenes from around Las Vegas after the mass shooting: 

Although Disney declined to say whether the change was in direct response to the shooting, it said it made the decision for a variety of factors, including safety, security and overall guest experience.

In the weeks following the shooting, many Las Vegas hotels also changed their "do not disturb" policies in order to avoid similar tragedies.

Among the proactive properties was The Orleans Casino, which now says it conducts safety and welfare checks on rooms that have "do not disturb" signs on their doors for more two days straight. The previous policy stated such checks would be carried out after three days.

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