Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...

Rachel is a freelancer based in Echo Park, Los Angeles and has been writing and producing content for nearly two decades on subjects ranging from tech to fashion, health and lifestyle to entertainment ...

Correspondence to Dr Georgie Bruinvels, Faculty of Sport, Health and Applied Science, St Mary's University Twickenham, Twickenham, London, UK; georgie.bruinvels{at}orreco.com Objectives The menstrual ...