What is Deep sleep?
Slow-wave sleep thought to support physical recovery and memory consolidation.
big slow waves · mostly early night
Which statement fits Deep sleep?
Answer it in your own words in the app.
In real work
Deep sleep often clusters in the first half of the night.
In the illustration
The paddle sweeps slowly, about once a second, raising tall slow waves; on the night rail below, the deep-sleep blocks gather in the first half of the night.
Show my deep sleep minutes in your health app by night for a month and explain what deep sleep is thought to do.
Try it now
The fastest way to learn a word is to use it. Open this line in the agent you already work in and watch what it does. Change the tool to the one you use.
Go further
01Practice
Make it stick
One term a day, a short quiz, and sentence practice that checks your own words.
02Verify
Prove you know it
Pass the quiz and keep it in a Skills Wallet you can share with anyone who needs proof.
03Career
Find the work that uses it
See which roles lean on this vocabulary, and what they pay in year one.
Learn the next term tomorrow.
Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews. Then it quizzes you until the word sticks. One term a day on iPhone.
