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Sleep is as important to health as diet and exercise and, thanks to new technology, tracking sleep is now routine in monitoring overall wellbeing. But are the devices used to do this actually useful, or have we simply found a more sophisticated way to clock watch?
We’ve long been fascinated by what happens when we go to sleep. We now know that sleep is not a passive state where everything turns off and we disconnect for several hours.
The recognition of sleep medicine as a separate discipline, and the steady increase in sleep research leading to public education messages regarding the importance of sleep, have helped people realise its importance in physical and mental health, productivity, accident prevention and overall wellbeing.