Betta, Monica and Bernardi, Giulio and Ricciardi, Emiliano and Pietrini, Pietro and Haba-Rubio, J. and Siclari, Francesca and Heinzer, R.  Quantifying peripheral sympathetic activation during sleep by means of an automatic method for pulse wave amplitude drop detection.  In: World Sleep 2017, 7-11 October 2017, Prague       (Submitted)