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. The phrase has also been used to describe an alert someone may receive regarding the consequences of negative circumstances or dangerous behavior. 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.
---
This article is an automated import of the Wikipedia article "Wake-up call", available at https://en.wikipedia.org/wiki/Wake-up_call . Text is licensed under CC BY-SA 4.0.