If you are an expectant mother who is still troubled by insomnia, then a new book released in the United States, \”Stay Away from Insomnia – From Pregnancy to Postpartum,\” can give you some pointers. Reuters reported on the 20th that the new book, scheduled to be published in November, is edited by Judy A. Mindel, a doctor at the Sleep Center of the Children\’s Hospital of Philadelphia in the United States. Mothers have invented many new tricks to help them sleep