Sentences with phrase «total sleep duration»

The main purpose of the present study was to calculate percentile curves for total sleep duration per 24 hours, for nighttime and for daytime sleep duration from early infancy to late adolescence to illustrate the developmental course and age - specific variability of these variables among subjects.

Total sleep duration was reported by questionnaire.

In one study from Northwestern University, researchers explored the relationship between sleep and exercise, finding that the longer it takes to fall asleep and the shorter total sleep duration affects the next day's exercise performance.

Not exact matches

It also delays the onset of REM, or rapid eye movement sleep, and may shorten the total duration of sleep (Holzman 2010).

Drinking alcohol can disrupt the structure and duration of sleep states, alter total sleep time, and affect the time required to fall asleep.

When Siegel and his team analyzed the data, the researchers found that the sleep period (total time in bed including brief bouts of waking) in all three groups was similar — between 6.9 to 8.5 hours a night, with actual sleep durations of 5.7 to 7.2 hours a night.

The use of a light weight physical activity monitor — Sensewear ™ Armband from Body Media — provided an innovative way to objectively determine total energy expenditure, sleep duration and physical activity.

After communicating via Bluetooth and Wi - Fi with my telephone, I get to see the following: total sleep time, hours of deep and light sleep, and times and duration of periods in which I was awake.

Sleep duration was not associated with timing of light, BMI or total caloric intake.

Sleep duration was defined as the amount of time between sleep start and sleep end that was scored as sleep (an epoch is scored as sleep if the total activity counts ≤ wake threshold vaSleep duration was defined as the amount of time between sleep start and sleep end that was scored as sleep (an epoch is scored as sleep if the total activity counts ≤ wake threshold vasleep start and sleep end that was scored as sleep (an epoch is scored as sleep if the total activity counts ≤ wake threshold vasleep end that was scored as sleep (an epoch is scored as sleep if the total activity counts ≤ wake threshold vasleep (an epoch is scored as sleep if the total activity counts ≤ wake threshold vasleep if the total activity counts ≤ wake threshold value).