‘Causing a great stir among the legions of people who don’t sleep’ BBC Radio 4'What van de Laar discovered is more relevant to us in the future than you may think and could transform your sleep overnight – it did mine' Miranda McMinn Telegraph'Through in-depth research into the nighttime habits of our prehistoric ancestors, psychologist and sleep scientist Dr Merijn van de Laar has helped thousands of insomniacs rediscover the joys of a good night’s sleep. And he can transform your sleeping habits in just 21 days' Daily Express‘An original book that can help you get a "primal" sleep’ Dr Ingrid Verbeek, sleep therapist and somnologist