The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Orexin is a neuropeptide that has been implicated in several processes, such as induction of appetite, arousal and alertness and sleep/wake regulation. Multiple lines of evidence also suggest that orexin is involved in the stress response. When orexin is administered intracerebroventricular it activates the hypothalamic pituitary adrenal (HPA)-axis, which is the main regulator of the stress response...