Dr Nerina Ramlakhan has been a professional physiologist and sleep therapist for 25 years. She works with a number of corporate clients, runs sleep and wellness programmes at Nightingale Hospital in London, and is also the sleep advisor to the Silentnight bed company. She is author of Tired But Wired (Souvenir Press, 2010) and Fast Asleep, Wide Awake (Harper Thorsons, 2016) and her work has been featured in newspapers and magazines including the Telegraph, The Times, the Guardian, New Scientist, Healthy Living and Psychologies. She has also appeared on numerous national TV and radio programmes. Nerina is a mother, climber, marathon runner, meditator and compulsive bookworm. She lives in London. Find out more at www.drnerina.com or on Twitter @DrNerina.