The present thesis examines the phenomenological exploitation of a relatively unexplored everyday phenomenon: awakening from sleep. Initial considerations are inspired by Husserls thesis that awakening primarily means a qualitative transformation of the continuity of consciousness. On the one hand, the focus lies in the analysis of the “rising-up-again” of time-constituting acts of consciousness upon awakening. On the other hand, the central thesis concerns both unconscious and lucid conditions as well as the transitional conditions of falling asleep and awakening, where the lived body plays a crucial role. These explanations raise awareness of the idea that, besides the temporality of consciousness, a “bodytime” has to be assumed. This forms another focus of this thesis. Its characterization includes both the exploitation of the ecstasies of bodytime as well as their relevance in matters of borderline-phenomena such as awakening from sleep.