Hairston, I. S., Peyron, C., Denning, D. P., Ruby, N. F., Flores, J., Sapolsky, R. M., et al. (2004). Sleep deprivation effects on growth factor expression in neonatal rats: a potential role for BDNF in the mediation of delta power. Journal Of Neurophysiology, 91(4), 1586-95. https://doi.org/10.1152/jn.00894.2003