These ponderings attempt to let themselves be appropriated by the event. (Beiträge zur Philosophie (Vom Ereignis), Martin Heidegger, 1936–38/1989)
https://www.appi.org/Products/Sleep-Disorders/Textbook-of-Sleep-and-Circadian-Medicine?utm_campaign=appinews&utm_source=email&utm_medium=title (accessible via Perlego)