The phrase "average sleep duration" is correct and usable in written English.
You can use it when discussing the typical amount of sleep a person gets over a specific period, often in studies or health-related contexts.
Example: "The average sleep duration for adults is recommended to be between seven to nine hours per night."
Alternatives: "typical sleep length" or "mean sleep time.".
Breast cancer patients (N=3682) reported their average sleep duration post diagnosis.
To examine the average sleep duration in Chinese preschoolers and to investigate the association between sleep duration and school readiness.
To do that, calculate your average sleep duration, divide the number in two, then add the outcome to your average bedtime on free days.
It's not just young children like Elise who can't switch off: from toddlers to teens, bedtimes are getting later and average sleep duration is falling.
In the last few decades, there has been a decline in average sleep duration and quality that has adversely affected general health of the population.
Since both shorter- and longer-than-average sleep durations have been associated with health problems, the team conducted separate GWAS for participants who reported either.
From the data obtained, habitual awakening time was 07:00–09:00 (average: 08 37, SEM: 0.12 h), habitual sleep onset was 23:00–01:00 (average: 00 51, SEM: 0.11 h) and the average habitual sleep duration was 7.86 h (SEM: 0.11 h), as confirmed by a sleep log over a 3-day period prior to the experiment.
These assessed average time they went to bed, average wake up time in the morning and average total sleep duration per night during the previous month.
An in-house C++ program was used to calculate duration of sleep in minutes, numbers of sleep bouts, average sleep bout duration in minutes, and the number of activity counts per waking minute-waking activity.
A question of average sleep time duration during the night was answered in hours and minutes and was categorized into three classes: short (<6 h), normal (6─8 h) and long (>8 h) sleep duration.
