This cognitive state of reduced alertness is referred to as “ sleep inertia”. In some instances, grogginess after waking has the potential to be dangerous several hours later, by reducing our performance in critical decision-making (such as in health settings, emergency responses, security or while driving). ![]() And how we wake up can not only affect our mood and the day’s outlook, but also our cognition and mental performance. In particular, alarms that have the qualities of “tunefulness” (think ABC by The Jackson 5) have melodies that energise the listener, and are great for effective waking.īut to understand why this is the case, we first need to understand how our brains respond to complex stimuli when moving out of the sleep state. Research has now shown certain alarm sounds can indeed enhance our alertness upon waking. Wikipedia, Pawel Czerwinski/Unsplash, Stuart McFarlaneĪnd he appears to have had a point. ![]() ![]() Pythagoras thought playing certain tunes helped his disciples wake up more alert.
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