Health
What is Sleep efficiency?
The ratio of time asleep to time in bed, often expressed as a percentage.
In real work
Sleep efficiency below your personal baseline can prompt sleep hygiene conversations.
How is this different from Googling it?
Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews—then quizzes you until the word sticks. One term a day on iPhone.