Thirty-five percent of all French people suffer from insomnia. The lives of those who have difficulties sleeping often turn into nightmares of fatigue, anxiety, irritability and lack of concentration. How can the vicious circle of insomnia be broken? In this practical manual, Dr. Royant-Parola offers straightforward tips to help insomniacs. Sylvie Royant-Parola is a psychiatrist and neuro-biologist.