The impact of total sleep deprivation upon supine and head up tilt hemodynamics using non-linear analysis in firefighters. - Slawomir Kujawski; Katarzyna Buszko; Agnieszka Cudnoch-Jedrzejewska; Joanna Slomko; Djordje G. Jakovljevic; Julia L. Newton; Pawel Zalewski (Biomed. Signal Process. Control., 2021)