þreytistift
þreytistift is an Old Norse word that translates to "tiredness stick" or "weariness stick." The term appears in the Eddic poem Vafþrúðnismál, where the giant Vafþrúðnir uses it in a riddle posed to Odin. Vafþrúðnir asks Odin, "What is that stick that is both a comfort and a torment, that brings joy and grief, and that can be used to gain sustenance?" Odin correctly answers that it is "þreytistift," meaning sleep.
The riddle highlights the dual nature of sleep. On one hand, sleep is a relief from weariness,
The concept of "þreytistift" reflects an ancient understanding of sleep not merely as an absence of consciousness,