Sleep researchers in different disciplines disagree about how fully dreaming can be
explained in terms of brain physiology. Debate has focused on whether REM sleep …

Disturbances of sleep are typical for most depressed patients and belong to the core
symptoms of the disorder. Polysomnographic sleep research has demonstrated that besides …

Many neurochemical systems interact to generate wakefulness and sleep. Wakefulness is
promoted by neurons in the pons, midbrain, and posterior hypothalamus that produce …

The neuronal network responsible for paradoxical sleep (PS) onset and maintenance has
not previously been identified in the rat, unlike the cat. To fill this gap, this study has …

Narcolepsy-cataplexy is a disabling neurological disorder that affects 1 2000 individuals.
The main clinical features of narcolepsy, excessive daytime sleepiness and symptoms of …

Rapid eye movement (REM) sleep behavior disorder (RBD) is a parasomnia characterized
by the loss of muscle atonia during paradoxical (REM) sleep (PS). Conversely, cataplexy …

RECENT PET imaging and brain lesion studies in humans are integrated with new basic
research findings at the cellular level in animals to explain how the formal cognitive features …

At its most basic level, the function of mammalian sleep can be described as a restorative
process of the brain and body; recently, however, progressive research has revealed a host …

In the middle of the last century, Michel Jouvet discovered paradoxical sleep (PS), a sleep
phase paradoxically characterized by cortical activation and rapid eye movements and a …

This review describes the role of the pedunculopontine nucleus (PPN) in various functions,
including sleep-wake mechanisms, arousal, locomotion and in several pathological …