Overnight pulse wave analysis to assess autonomic changes during sleep in insomnia patients and healthy sleepers. oleh Naima Laharnar, Ludger Grote, Ding Zou, Jan Hedner, Dirk Sommermeyer, Christian Straßberger, Albert Marciniak, Sabrina Potzka, Katharina Lederer, Martin Glos, Sandra Zimmermann, Ingo Fietze, Thomas Penzel