Sentence examples for portion of sleep from inspiring English sources
These are monophasic potentials of approximately 50 100 ms duration that occur at irregular intervals when animals enter into a state of alert immobility or during the slow-wave portion of sleep.
Whether meditation can actually replace a portion of sleep or pay-off sleep debt is under further investigation.
These subjects had sufficient amounts of daily meditation time such that it might produce a noticeable decrease in total sleep time if meditation can actually replace a portion of sleep, or compensate in some other way.
This portion of sleep log had five VAS questions regarding daytime alertness, degree of comfort with regard to the mattress, degree of comfort with regard to the pillow, and current sleepiness and alertness.
A major difficulty in assessing whether meditation may be able to replace a portion of sleep, is that the functions of sleep are not well understood, and no direct measure of sleep-need exists.
Sleep time in mammals varies from about four to nineteen hours [ 31, 32], potentially supporting a view that some portion of sleep in longer sleeping mammals is adaptive and not critical for basic brain functions.
Two separate experiments were conducted in which theta-tDCS (see below) and sham stimulation, respectively, were applied either during the first stable portion of NonREM sleep (NonREM Experiment) or stable REM sleep (REM Experiment).
Finally, by restricting the analysis to delta integrated amplitude to the first three NREM, we found highly significant effects for condition, group, and group-by-condition, suggesting that the impact of metyrapone, as expected, occurs in the first portion of the sleep period.
It's a portion of the sleep cycle that happens after you've been asleep for some time.
The factor of sex (not included in the Table) was also negligible, except a tendency toward a diminished portion of deep sleep (stages 3+4) in females (t = 2.29, p < 0.05).
Notwithstanding a measurable increase in melatonin in exposed rats, no significant differences were found in any portion of the animal sleep structure as compared to sham exposed.
