"Sleep duration" refers to the length of time a person spends sleeping.
Full definition
A recent 2015 study of older men also found that lower vitamin D levels were associated with
shorter sleep duration and more time spent awake after initially falling asleep.
The researchers found no differences
in sleep duration between the groups of babies at age 12 months.
The effect of feeding method
on sleep duration, maternal well - being, and postpartum depression.
Other life - threatening medical conditions may cause people to sleep longer or shorter than average, resulting in a correlation between
long sleep duration and mortality.
In one 2009 study, every hour less of
average sleep duration per night was associated with a 37 % increase in the odds of developing hypertension over five years.
Studies have shown that getting consistent exercise over time actually helps improve sleep efficiency and
sleep duration for young and old people alike.
Reducing one's stress level can help restore adrenal function, reduce physiological stress, and help
improve sleep duration and quality.
A fascinating side detail noted in the paper was that the reported
overall sleep duration between the different categories was similar.
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.
The findings reveal that
daily sleep duration increased by 1.4 minutes on weekdays and 0.8 minutes on weekends per year.
There is increasing evidence showing that high - quality, adequate sleep is important for an overall healthy body,
whilst sleep duration has been decreasing over time among children and adolescents.
There is however little existing data showing the effects of chronic short
sleep duration under natural conditions.
This study used «real world» conditions which showed that shorter
sleep duration shuts down processes involved in the immune response of circulating white blood cells.
This decrease
in sleep duration has occurred over the same time as the increase in the prevalence of obesity and diabetes.
Sleep duration as an indicator for sleep need declines considerably from the newborn period to late adolescence, but substantial individual variability remains at all ages.
Members of the first group were given obesity prevention education material that covered sleep - related behaviors, bedtime routines,
improving sleep duration, and avoiding feeding and rocking to sleep.
Importantly, the association
between sleep duration and lowered self - control and increased depressive symptoms remained significant when accounting for genetic and shared environmental factors.
The study group consisted of 96 healthy adults between the ages of 18 and 50 years with
sleep duration of 6.5 hours or more.
But on your point about adding cereal to baby's bottle — this is not recommended and has been shown to not
increase sleep duration.
While a single sleepless night had no effect on risk - seeking, 11 of 14 of the subjects behaved significantly and increasingly riskier as the week of a
reduced sleep duration went on.
The SmartMotion base can
track sleep duration, REM sleep, awake time, and light, while also auto adjusting, providing responsive snoring relief and even a massage.
Furthermore, poor sleep or
insufficient sleep duration in children may negatively impair their cognitive (language and learning), behavioural (hyperactivity, irritability), emotional (negative emotion regulation and self - control), and physical (unhealthy weight) development.
In the study that is now being published in the scientific journal SLEEP, sleep researchers Jonathan Cedernaes and Christian Benedict, sought to investigate the role of
nocturnal sleep duration for this memory transfer, and how long - term memories formed by sleep remain accessible after acute cognitive stress.
Another study of 4,175 individuals between 11 and 17 years of age is the first to document reciprocal effects for major depression and short
sleep duration among adolescents using prospective data.
The second type of research (called cross-sectional epidemiological studies) involves examining questionnaires that provide information about
habitual sleep duration and the existence of a particular disease or group of diseases in large populations at one point in time.
But in this study, «after adjusting for age, sex, race, education, smoking, and apnea risk,» the authors note, «longer
measured sleep duration was associated with reduced calcification incidence.»
The five elements of healthy sleep
include sleep duration, naps, sleep consolidation, sleep schedule and sleep regularity.
«
Adolescent sleep duration is associated with daytime mood: Promoting healthy sleep in adolescents could potentially prevent development of more serious mental health problems for some teens.»
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.
In one study from Northwestern University, researchers explored the relationship between sleep and exercise, finding that the longer it takes to fall asleep and the shorter total
sleep duration affects the next day's exercise performance.
Phrases with «sleep duration»