Every cell in your body has a clock, synchronised to the sun and subtle signals in your environment. But what happens when modern living – artificial light, late-night meals – throws these rhythms out of sync? The Inner Clock explores the emerging science of body clocks and its transformative applications – from the best time of day to take medication or go for a walk, to optimising performance at work and in sport. 'Peeples has new stories and surprises . . . You will find plenty of practical tips here on how to sneak an extra 'circadian snack' into your lives, reset your chronicity and live in a healthier, more timely manner' NEW SCIENTIST