1. the quality or state of being fitful; occurring in irregular, interrupted, or unpredictable bursts or intervals
Usage: uncountable noun; often used to describe sleep, activity, or attention

Examples

• The fitfulness of his sleep made him tired throughout the day.
• The project suffered from the fitfulness of funding, making progress difficult.
• Her fitfulness in studying led to poor exam results.
• The fitfulness of the wind made sailing unpredictable.
• The patient complained about the fitfulness of her energy levels.
• The fitfulness of the internet connection frustrated the remote workers.