Article reviewed: Auditory processing across the sleep–wake cycle: simultaneous EEG and fMRI monitoring in humans Article reviewed: Auditory processing across the sleep–wake cycle: simultaneous EEG and fMRI monitoring in humans Download Article reviewed: Age-related changes in slow wave sleep and REM sleep and relationship with growth hormone and cortisol levels in healthy men Article reviewed: Improvement of sleep architecture in Parkinson’s Disease with subthalamic nucleus stimulation