Wake-up call
Telephone service allowing one to wake up at a specified time From Wikipedia, the free encyclopedia
A wake-up call (alarm call in the United Kingdom, morning call in east Asia) is a service provided by lodging establishments allowing guests to request a telephone call at a pre-specified time, thus causing the guest to wake up at that time. It is similar in concept to an alarm clock, but is instead conducted via a telephone. A similar concept is used by hotel establishments in Africa, where it is referred to as "Amka, Amka". [citation needed]
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The phrase has also been used to describe an alert someone may receive regarding the consequences of negative circumstances or dangerous behavior.[1]
Wake-up calls are also used in aircraft crew rests during long-haul flights to wake up resting flight attendants or pilots from their controlled rest.
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