Erratum to: S. Chokroverty (ed.), Sleep Disorders Medicine, https://doi.org/10.1007/978-1-4939-6578-6

In the original version of the book, the following corrections have to be incorporated: In Cover page, wrongly included “Extra Online” text has to be removed. In Chapter 24, missing copyrights for the below figure captions have to be included. Figures 24.5, 24.22, 24.26, 24.27 and 24.29: Copyrighted to Raman K. Malhotra, MD. Figures 24.1, 24.3, 24.6, 24.7, 24.8, 24.10, 24.12, 24.13, 24.14, 24.16, 24.17, 24.18, 24.19, 24.20, 24.21, 24.23, 24.24, 24.25, 24.28 and 24.30: Copyrighted to Alon Y. Avidan, MD, MPH. The erratum book has been updated with the changes.