1. instances of awakening from sleep
Usage: medical; technical
2. instances of stimulating interest, excitement, or activity

Examples

• The sleep study recorded multiple arousals throughout the night.
• Frequent arousals can lead to daytime fatigue.
• The doctor noted several brief arousals in the patient’s sleep pattern.
• Caffeine can cause unwanted arousals during sleep.
• The presentation led to arousals of interest among the students.
• Political arousals swept through the community after the announcement.