Reliable determination of sleep versus wake from heart rate variability using neural networks. - Aaron Lewicke; Edward S. Sazonov; Michael J. Corwin; Stephanie A. C. Schuckers (IJCNN, 2005)

Sleep Versus Wake Classification From Heart Rate Variability Using Computational Intelligence: Consideration of Rejection in Classification Models. - Aaron Lewicke; Edward Sazonov; Michael J. Corwin; Michael R. Neuman; Stephanie A. C. Schuckers (IEEE Trans. Biomed. Eng., 2008)

Analysis of heart rate variability for predicting cardiorespiratory events in infants. - Aaron Lewicke; Michael J. Corwin; Michael E. Schuckers; Xueyan Xu; Michael R. Neuman; Stephanie Schuckers; et al. (Biomed. Signal Process. Control., 2012)