Sentence examples for intensity of sleep from inspiring English sources

And in a study published last year, researchers found that animals with complex nervous systems (humans included) need sleep to support cognitive functions — and tasks that require more attention also increased the need for sleep and intensity of sleep.

Sleep is mainly controlled by two mechanisms: A homeostatic component regulates need and intensity of sleep according to the time spent awake or asleep, whereas a circadian component schedules sleep and wakefulness to the appropriate times within one day [1].

In a study using optogenetics tools to disrupt sleep in mice, sleep fragmentation in itself can impair mouse performance in an object recognition task without affecting the overall amount or intensity of sleep (Rolls et al. 2011).

The "intensity" of sleep is determined by time spent awake, by genetic factors, and by environmental disturbance, with more profound sleep characterized by a greater intensity of these EEG frequencies, indicative of more pervasive neuronal synchrony [ 13].

Similarly, analysis of the increased intensity of sleep that occurs during infection, as identified through an elevation in slow wave activity [ 22], could reveal an additional role of the 'quality' of sleep.

The XQS is an exploratory, non-validated questionnaire designed to assess the frequency and intensity of sleep disturbance, chest pain, daytime cough, night-time cough, hoarseness, wheezing, difficulty swallowing and nausea on a 6-point Likert-type scale (range 0 5), with higher scores indicating severe or more frequent symptoms (see Additional file 1).

In clinical studies, increased duration and intensity of NREM sleep during illness are associated with an improved prognosis, but occur at the expense of REM sleep [ 11, 13, 18].

We next performed a power analysis investigating the intensity of deep sleep during the inactive period.

Interestingly, a recent study reported that adenylyl cyclase activity increases the intensity of nighttime sleep in Drosophila (van Alphen et al., 2013).

The intensity of physical activity, expressed in metabolic equivalents (METs), total physical activity duration, the number of steps, time lying down, and sleep duration were also measured.

Mr. Pasternack, an athletic-looking man, is twitchy from intensity and lack of sleep.