Related Clues:

• Fitted with bugs
• Grammatical time setter
• Temporal language element
• Not at all serene
• Pacing, perhaps
• Eyes-a-poppin'
• Pluperfect, for one
• Past, for instance
• Hopped up
• Stressed-out
• Overactive
• Fully extended
• On the edge of one's seat
• Stressful
• Wired, in a way