What is REM sleep?
Rapid eye movement sleep associated with vivid dreams and memory processing.
eyes dart · body still · dreaming
Which statement fits REM sleep?
Answer it in your own words in the app.
In real work
REM sleep proportion varies night to night across healthy sleepers.
In the illustration
The lock bar drops across the limb levers so they cannot move; then the two eyes dart side to side in quick flicks while the projector shutter clicks through frames.
Explain in your health app what REM sleep is, how much of the night it usually takes, and how the estimate is made from my wrist.
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.
