Mr Hastie, 23 - who designed a prototype as part of his degree course in design, manufacture and engineering management - was inspired by his own experience of repeatedly pressing the snooze button on his alarm as many as 20 times rather than getting up. He said: "Alarm clocks are good at waking you - what they are not good at is actually getting you out of bed.
The wall-mounted alarm clock can be switched off only when its user climbs out of bed, stands directly in front and repeats, by pressing coloured buttons, a sequence generated randomly each morning. If the user fails to repeat the sequence swiftly, the alarm will continue to blare until the task is completed correctly.
Research into "sleep inertia" has discovered the pre-frontal cortex - the area of the brain which is responsible for problem-solving, emotion and complex thought - is among those that take longer to operate properly after sleep.
Alarm clock that won't give up
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