Sleep study

High school (ages 12+)
Human Body

Name:

Date:

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-study

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the primary diagnostic modality?Polysomnography (PSG) for comprehensive sleep assessment
2. What is the key physiological parameters monitored?EEG, EOG, EMG, ECG, respiratory effort, airflow, and oxygen saturation
3. What is a sleep study and why do doctors do it?A sleep study, called polysomnography, records brain waves, eye movements, muscle activity, heart rate, breathing, and oxygen levels while you sleep. It helps doctors find sleep problems like apnea or narcolepsy.
4. How do doctors know what happens inside my brain while I sleep?Doctors use special sensors that measure brain waves (EEG), eye movements (EOG), muscle activity (EMG), heart rhythm (ECG), breathing, and oxygen. These sensors show the different sleep stages and any abnormal patterns.

Polysomnography (PSG): A comprehensive sleep study recording multiple physiological signals to diagnose sleep disorders.
Sleep Architecture: The cyclical pattern of different sleep stages (e.g., REM, NREM) that occur throughout a night's sleep.
Sleep Neuroscience: The scientific study of the brain and nervous system's role in sleep and wakefulness.