Manipulating your body clock can improve health and productivity, writes Sally Howard
, an “intelligent alarm clock” that analyses sleep patterns to wake users at their lightest sleep phase .
Dr Amy Bender, a clinical sleep scientist who works with athletes to optimise their circadian rhythms, says that light exposure is both central to our health and poorly understood. “Morning light sets our circadian rhythms for the day and helps us to be alert when we’re supposed to be alert, be sleepy when we’re supposed to be sleepy, and go to sleep and stay asleep,” she says. We need this light exposure, she adds, “because our inherent circadian cycles don’t run to a 24-hour clock”.
strap that tracks his overnight heart rate, blood oxygenation, breathing rate, skin temperature and sleep cycles, then coded his own app from the data to analyse what he perceived to be a weekly “accumulated sleep debt”.. “I’d go to bed at wildly different times, sometimes very late, and I’d still be unable to sleep until 3am,” he recalls. He decided to hack his cycle with daily morning outdoor light exposure .
Overemphasising rigidity in daily routines can be counterproductive and lead to greater risk for sleep problems
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