Sentences with phrase «normal sleep duration»

If the students slept only 5 hours a night for a week, they displayed clearly riskier behavior in comparison with a normal sleep duration of about 8 hours.

Not exact matches

It is normal that your toddler wakes up for a brief duration and then falls back to deep sleep again.

But it appears that many healthy, normal newborns deviate several hours from the average duration of sleep.

Whether the mice were kept in constant light, constant darkness or normal cycles of both, their sleep times and duration became random.

«We were surprised that the heritability of depressive symptoms in twins with very short sleep was nearly twice the heritability in twins sleeping normal amounts of time,» said principal investigator Dr. Nathaniel Watson, associate professor of neurology and co-director of the University of Washington Medicine Sleep Center in Seattle, Wash. «Both short and excessively long sleep durations appear to activate genes related to depressive symptoms,» added Watson, who also serves on the board of directors of the American Academy of Sleep Medisleep was nearly twice the heritability in twins sleeping normal amounts of time,» said principal investigator Dr. Nathaniel Watson, associate professor of neurology and co-director of the University of Washington Medicine Sleep Center in Seattle, Wash. «Both short and excessively long sleep durations appear to activate genes related to depressive symptoms,» added Watson, who also serves on the board of directors of the American Academy of Sleep MediSleep Center in Seattle, Wash. «Both short and excessively long sleep durations appear to activate genes related to depressive symptoms,» added Watson, who also serves on the board of directors of the American Academy of Sleep Medisleep durations appear to activate genes related to depressive symptoms,» added Watson, who also serves on the board of directors of the American Academy of Sleep MediSleep Medicine.

Results suggest that sleep durations outside the normal range increase the genetic risk for depressive symptoms.

Graph showing sleep duration (in minutes) of wild fruit flies — long sleepers, normal sleepers, and short sleepers — artificially bred across 13 generations.

In one study involving 1,788 twins, it was shown that the genetic risk for symptoms of depression is increased by sleep durations outside the normal range.

Short sleep duration increases energy intakes but does not change energy expenditure in normal - weight individuals

Relatively little is known about the significance of normal variation in objectively assessed sleep duration and its regularity in children's psychological well - being.