Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Emily Capodilupo, senior vice president of research at Whoop, says its sleep algorithms have been validated against polysomnography, and peer-reviewed studies found its sleep detection reliable.

From The Wall Street Journal • Jun. 7, 2026

Although the devices have become increasingly accurate, their reliability still varies, and many have not been validated against polysomnography, the gold standard for sleep measurement.

From Salon • May 2, 2025

"Further research is required to evaluate the association between sleep duration and high blood pressure using more accurate methods like polysomnography, a method for evaluating sleep quality more precisely," Hosseini said.

From Science Daily • Mar. 27, 2024

Throughout the break, subjects underwent polysomnography, a technology that monitors brain, eye and muscle activity to assess a person’s state of wakefulness.

From Scientific American • Dec. 9, 2021

By the 1950s and ’60s, researchers were converging on a definition of sleep based on polysomnography, a combined measure of brain activity, eye movement, and muscle tone that became a gold standard.

From Science Magazine • Oct. 27, 2021