👉 Whiffling is a slang term that describes someone who is overly concerned or anxious about something, often to the point of becoming overly self-conscious and obsessive. It can also refer to someone's inability to concentrate on anything else but their own thoughts and feelings. Whifflings are often associated with people who have trouble sleeping, as they often report feeling restless or irritable during sleep. Whiffling is a term that originated in the United States, specifically in New England, where it was used