read.edf(filename, read.annotations = TRUE, header.only = FALSE)
Kemp, B. and Olivan, J. (2003). European data format 'plus' (EDF+), an EDF alike standard format for the exchange of physiological data. Clin Neurophysiol. 2003 Sep;114(9):1755-61. http://www.ncbi.nlm.nih.gov/pubmed/12948806