Sentence examples for sleepiness level from inspiring English sources

Here trained observers evaluated drivers' sleepiness level using video recordings of the drivers' face.

Consequently, these studies did not indicate the extent to which ORS reflects the sleepiness level experienced by the driver.

For example, is a driver more likely crash during the night-time compared to daytime, when the sleepiness level being experienced is the same in the two conditions?

During each driving session the subjects self-reported their sleepiness level on the 9-grade Karolinska Sleepiness Scale (KSS) every five minutes [24].

Individual differences in ability to overcome desire to fall asleep cannot be accurately predicted from subjective and objective measurements of sleepiness level.

Not only is it difficult to rate the sleepiness level of drivers based on video clips, it is also difficult for the raters to estimate the accuracy in their ratings.

The Epworth Sleepiness Scale (ESS) [ 23] was used as a measure of average sleepiness levels.

The mean ESS Scale score was 7.4 ± 4.6 suggesting normal subjective daytime sleepiness levels.

A score > 11 is often used to identify individuals with significant subjective sleepiness levels [ 30].

Therefore, the objective measurement of physiological arousal is more accurate for detecting sleepiness levels.

Both of these latter findings indicate that higher life quality is associated with lower sleepiness levels.