Sleep substances, sleep architecture, and sleep sociology: Centennial anniversary of the first discovery of sleep substances by Kuniomi Ishimori
Humoral mechanisms of sleep–wake regulation: Historical review of prostaglandin D2 and related substances
Prostaglandin D2 and adenosine as endogenous somnogens
Adenosine as a sleep factor
Physiological and pathophysiological roles of adenosine
The ATP–cytokine–adenosine hypothesis: How the brain translates past activity into sleep
Key roles of the histaminergic system in sleep–wake regulation
Interaction between sleep mechanisms and orexin neurons
Narcolepsy, orexins and respiratory regulation
Insomnia, hypersomnia and coma in animal models and their clinical implications
What are the mechanisms activating the sleep-active neurons located in the preoptic area?
Basal forebrain regulation of cortical activity and sleep-wake states: Roles of cholinergic and non-cholinergic neurons
Sleep-active cells in the cerebral cortex and their role in slow-wave activity
Genetic dissection of neural circuitry regulating behavioral state using conditional transgenics
Overview of sleep and sleep medicine in Asian countries