Step 1 · Read the article
Open the article and read it at the level above. Then answer the questions below in your own words.
https://smallwhale.org/articles/sleep-tracking
Step 2 · Questions
1. What is a sleep tracker and how does it work?
2. Why do doctors use sleep trackers?
Step 3 · Words to know
Write what each word means, using the article.
Polysomnography (PSG)
Actigraphy
Sleep Architecture
First Night Effect
Step 4 · Two facts in your own words
Do not copy the article. Write two things you learned, the way you would explain them to a friend.