Sleep is a complex physiological process and is a critical determinant of physical and
mental health. In the past decades, significant progress has been made in understanding …

We review theoretical and numerical models of the glymphatic system, which circulates
cerebrospinal fluid and interstitial fluid around the brain, facilitating solute transport. Models …

The glymphatic system is a network of perivascular spaces that promotes movement of
cerebrospinal fluid (CSF) into the brain and clearance of metabolic waste. This fluid …

Materials and Methods: The survey was conducted in early May 2020 using a questionnaire
circulated through social media platforms. Questions related to demographic characteristics …

Sleep-immune interactions are well-known phenomena in everyday life and folk wisdom.
There is no doubt that an infection makes us tired and increases the desire to sleep, and a …

Since ancient times it is known that melancholia and sleep disturbances co-occur. The
introduction of polysomnography into psychiatric research confirmed a disturbance of sleep …

The Munich ChronoType Questionnaire (MCTQ) has now been available for more than 15
years and its original publication has been cited 1240 times (Google Scholar, May 2019) …

The consumption of caffeine in response to insufficient sleep may impair the onset and
maintenance of subsequent sleep. This systematic review and meta-analysis investigated …

Humans live in a 24-hour environment, in which light and darkness follow a diurnal pattern.
Our circadian pacemaker, the suprachiasmatic nuclei (SCN) in the hypothalamus, is …

Humans, like all mammals, partition their daily behaviour into activity (wakefulness) and rest
(sleep) phases that differ largely in their metabolic requirements. The circadian clock …