A common observation in EEG research is that consciousness vanishes with the
appearance of delta (1–4 Hz) waves, particularly when those waves are high amplitude …

Non-rapid eye movement (NREM) sleep parasomnias (or NREM parasomnias) are
fascinating disorders with mysterious neurobiological substrates. These conditions are …

The most prominent EEG events in sleep are slow waves, reflecting a slow (< 1 Hz)
oscillation between up and down states in cortical neurons. It is unknown whether slow …

In an awake state, neurons in the cerebral cortex fire irregularly and electroencephalogram
(EEG) recordings display low-amplitude, high-frequency fluctuations. During sleep, neurons …

Highlights•Slow waves of NREM sleep can occur locally and asynchronously across brain
regions.•Their regional distribution and amplitude is in part mediated by experience …

The overall function of sleep is hypothesized to provide “recovery” after preceding waking
activities, thereby ensuring optimal functioning during subsequent wakefulness. However …

Abstract Study Objectives: Prolonged wakefulness leads to a progressive increase in sleep
pressure, reflected in a global increase in slow wave activity (SWA, 0.5-4.5 Hz) in the sleep …

Somnambulism, or sleepwalking, can give rise to a wide range of adverse consequences
and is one of the leading causes of sleep-related injury. Accurate diagnosis is crucial for …

Disorders of arousal (DOA) is an umbrella term initially covering classical sleepwalking,
sleep terrors, and confusional arousals, and now including a wider spectrum of specialised …

Sleep has been classically described as an all-or-nothing global phenomenon. However,
recent research strongly suggests that this view requires tempering. Invasive and non …