Articles reviewed: 1. Sleep deprivation-induced reduction in cortical functional response to serial subtraction. 2. Altered brain response to verbal learning following sleep deprivation Articles reviewed: 1. Sleep deprivation-induced reduction in cortical functional response to serial subtraction. 2. Altered brain response to verbal learning following sleep deprivation Download Valerian for insomnia: a systematic review of randomized clinical trials Article reviewed: A simplified method for monitoring respiratory impedance during continuous positive airway pressure