Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
wake duration
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "wake duration" is correct and usable in written English.
It can be used in contexts related to sleep studies, health, or any discussion about sleep patterns and behaviors. Example: "The study measured the wake duration of participants to assess the impact of sleep quality on overall health."
✓ Grammatically correct
Science
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
Indeed, SWA levels increase as a function of prior wake duration and decline in the course of sleep.
Science
Psw is constant [as dictated by simplifying assumption (2), above] and corresponds to an arbitrary mean sleep bout duration of 4 min. Pws determines mean WAKE duration and varies in two ways; as a function of time awake (to account for the reported power law or multi-exponential distribution of WAKE bout durations),, and as a function of threshold status.
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
It has been suggested that sleep-wake architecture resembled the dynamics seen in some models of self-organized criticality: in avalanche models, the duration of the avalanche events followed a power law (and was thus likened to wake durations), while the time between avalanches followed an exponential distribution (and was thus likened to sleep durations) [4].
Science
Unfortunately, there are reasonable arguments to consider power law and multiple exponential models for the distribution of sleep-wake duration distributions.
Science
Wake bout duration kinetics remain controversial, being described as either an exponential process[21], or a power law process[19], [20], [22].
Science
For example, the network analyses revealed a novel chain of causal relationships between the chromosome 17@29cM QTL, total amount of wake, and duration of wake bouts in both light and dark periods that implies a mechanism whereby overall sleep need, mediated by this locus, in turn determines the length of each wake bout.
Science
One parameter that greatly differed between the two genotypes was, however, waking episode duration (Fig. S2).
Science
In humans and other mammals, the state transitions defining sleep and wake bout durations have been described with exponential and power law models, respectively.
Science
Similar effects were seen for mean REM sleep bout durations in the post-MD period (Fig. 1C), which were significantly reduced in all three hypnotic-treated groups relative to VEH (effects of treatment on REM sleep and wake bout durations: F = 6.2, p = 0.005, and H = 10.5, p = 0.015, respectively).
Science
Given the common practice of fitting single exponential functions to sleep-wake bout duration data, we calculated how the weighted decay time constants (weighted according to their Yo values) from our multi-exponential fits would compare to this technique of fixed single exponential fitting.
Science
For example, if all sleep-wake bout durations are considered to be exponential or multi-exponential, then all transitions of the hypnogram may be simulated using a Markov chain model.
Science
Expert writing Tips
Best practice
Use "wake duration" when precision is important, such as in sleep studies or when tracking the effects of sleep deprivation.
Common error
Avoid using "wake duration" vaguely. Instead of saying "the patient has issues with wake duration", specify whether the duration is excessively long, short, or frequently interrupted to give a clearer picture of the problem.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "wake duration" functions as a noun phrase, specifically referring to the length of time spent in a state of wakefulness. Ludwig AI confirms its usability in contexts related to sleep studies and health.
Frequent in
Science
100%
Less common in
News & Media
0%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "wake duration" is a noun phrase used to denote the amount of time spent awake. Ludwig AI confirms its grammatical correctness and suitability for describing sleep patterns and related health factors. Primarily used in scientific and medical fields, the phrase allows for precise quantification of wakefulness. Alternative phrases like "awake time" or "time spent awake" can be used depending on the desired emphasis. While grammatically sound, it’s important to use "wake duration" with specificity, indicating whether the duration is longer, shorter, or interrupted to convey a clear understanding of sleep disturbances.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
awake time
Focuses on the state of being awake rather than the measured length of time.
time awake
A more concise way to express the duration of being awake.
time spent awake
Emphasizes the activity of being awake during a specific period.
period of wakefulness
Highlights the continuous state of being wakeful.
length of wakefulness
Directly refers to how long the state of wakefulness lasts.
awake bout length
Specifically refers to the length of a single instance of being awake.
wakefulness span
Indicates the continuous extent of being awake.
duration of arousal
More suitable in scientific contexts relating to physiological arousal.
uptime
An informal term for the period of being awake and active.
time of consciousness
Emphasizes conscious awareness during the period.
FAQs
What does "wake duration" mean in sleep studies?
"Wake duration" refers to the length of time a person spends awake during a 24-hour period or within a specific timeframe being studied. It's a key metric for assessing sleep quality and patterns.
How is "wake duration" measured?
Wake duration can be measured through various methods, including polysomnography in sleep labs, actigraphy using wearable devices, or self-reported sleep diaries.
What are some alternatives to "wake duration"?
You can use alternatives like "awake time", "time spent awake", or "period of wakefulness" depending on the context.
How does "wake duration" relate to sleep quality?
An irregular or excessively long "wake duration" can indicate poor sleep quality. Frequent or prolonged periods of wakefulness during the night can disrupt sleep cycles and lead to daytime fatigue.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested