An effective alarm is one which should minimise ‘sleep inertia’ – that stage of grogginess we feel between being asleep and becoming fully alert.
Articles on alarm systems
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Waking up to a tuneful melody or favourite song can make us feel more alert than the traditional high-pitched ringing or buzzing of an alarm clock.
From birdsong to window-tapping professionals to bleeping symphonies, morning alarms have come a long way.
A nuclear alarm was issued on Jan. 12, 2020. The alarm had been mistakenly sent during a training exercise and was retracted, but the impact will erode trust in public safety efforts.
Top contributors
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Associate Professor, Department of Physiology, Monash University
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Researcher, Auditory Perception and Cognition, RMIT University
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Researcher and analyst, Monash University
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Associate Professor in History, The University of Melbourne
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Associate Professor of Disaster and Emergency Management, York University, Canada