Transitions in effective scaling behavior of accelerometric time series across sleep and wakePatrick Wohlfahrt, Jan W. Kantelhardt, Melanie Zinkhan, Aicko Y. Schumann, Thomas Penzel, Ingo Fietze, Frank Pillmann and Andreas StangEPL, 103 6 (2013) 68002DOI: https://doi.org/10.1209/0295-5075/103/68002