The act of awaking, or ceasing to sleep.
"The sudden noise from downstairs startled me into an abrupt awakening that left me groggy for a moment."
present participle of awaken
"The morning birds were singing loudly, creating a gentle awakening for everyone still sleeping inside."
Rousing from sleep, in a natural or a figurative sense; rousing into activity; exciting
"The sound of thunder was enough to give me an awakening that snapped me out of my deep slumber."