Mood: The mood of the video appears to be dark, mysterious, and intense, with a sense of confinement and desperation. The theme seems to revolve around struggle, possibly against time or circumstances, as hinted by the title 'Sleepless Nights'. The overall emotion evoked is one of anxiety and urgency.

Environment: The setting seems to be indoors, possibly in a dimly lit room or a confined space, given the presence of a hand cuffed to a surface. The background is monochromatic, adding to the somber mood. The exact location is unclear, but it appears to be a man-made structure with a focus on the individual's predicament.