Reported that the news channel CNN.
Air traffic, according to a preliminary examination was not in danger. The traffic did not miss calls, according to aviation authorities. During the incident in the spring air traffic control in Miami were still twelve other controllers and two supervisors are present.
The authorities say it is the seventh time this year that a traffic falls asleep. Last week got the chief of the U.S. air traffic control, Hank Krakowski, in response to the incidents.
The FAA Aviation Authority announced that the grids of the controllers are adjusted to ensure that people are so tired they fall asleep.