Sentences with phrase «between sleep duration»

Associations between well - being and physical well - being may also be subject to confounding by mental health problems such as depression, where reporting problems with sleep is a clinical symptom.42 However, the association between sleep duration and insomnia symptoms remained following adjustment for the GHQ depression scale.

The most consistent results were a positive association between sleep duration and single measures of salivary cortisol at awakening, which was observed in 3 studies.

We explored the associations between sleep duration and regularity and behavioral and emotional problems in 8 - year - old children.

The study involved over 29,000 adults, making it the largest study to assess the relationship between sleep duration and the presence of metabolic syndrome.

Sleep: «The Association Between Sleep Duration and Weight Gain in Adults: A 6 - Year Prospective Study from the Quebec Family Study.»

New Recommendations from the National Sleep Foundation - The Atlantic January 2015 - Poor Sleep in Adolescence Predicts Future Problems, Study Says - Los Angeles Times January 2015 - How Sleep Keeps You Healthy, Helps You Heal - Discovery News September 2014 - Lack of Sleep Increases Risk of Failure in School Among Teens - Science World Report, from Sleep Medicine August 2014 - Sleep Woes in Old Age May Be Linked to Brain Cell Loss - Health magazine August 2014 — University of Chicago Study: Getting More Sleep Could Cut Junk Food Cravings in Half — CBS News August 2014 — University of Montreal Study Shows Learning Is Best Enhanced During Sleep - Jewish Business News February 2014 - Link Found between Sleep Duration and Depression - Psych Central February 2014 - Less Sleep, More Time Online, Raises Risk for Teen Depression — National Public Radio

He called the new research «one of the few studies to assess the relationship between sleep duration and sexual health.»

This time they looked at the connections between sleep duration and coronary artery calcification.

The study is the first to analyse the association between sleep duration and serum micronutrient concentrations in a large sample, and it found a link between high serum copper concentration and long sleep duration.

The third new study, looking at the link between sleep duration and obesity in teens, further blunts the idea that physical activity accounts for much of the increase in kids» weight.

While previous studies have shown a link between sleep duration and obesity, the new work highlights the importance of sleep timing, says Kristen Knutson, a sleep researcher at the University of Chicago in Illinois.

«New links found between sleep duration, depression.»

Not exact matches

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.

Newborn babies will also have one solid sleep between 4 to five hours in duration.

Additionally, a 2014 study highlights an association between later school start times for this age group and an increase in sleep duration, improved mood as well as reduced daytime sleepiness.

Two of the main differences between baby and adult sleep cycles are the duration of each type of sleep and the overall length of the sleep cycle.

Some of the many benefits a Postpartum Doula provides for you and your baby include: Better infant care skills Positive newborn characteristics Breastfeeding skills improve A healthy set of coping skills and strategies Relief from postpartum depression More restful sleep duration and quality Education and support services for a smooth transition home A more content baby Improved infant growth translates into increased confidence A content baby with an easier temperament Education for you to gain greater self - confidence Referrals to competent, appropriate professionals and support groups when necessary The benefits of skin to skin contact Breastfeeding success Lessen the severity and duration of postpartum depression Improved birth outcomes Decrease risk of abuse Families with disabilities can also benefit greatly by learning special skills specific to their situation Families experiencing loss often find relief through our Doula services Improved bonding between parent and child.

The researchers found no differences in sleep duration between the groups of babies at age 12 months.

The focus of the CPMC paper was to identify the genes associated with sleep duration and validate the connection between sleep and several demographic and lifestyle factors, including age, gender, weight, ethnicity, exercise, smoking and alcohol.

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.

A study of 1,788 adult twins is the first to demonstrate a gene by environment interaction between self - reported habitual sleep duration and depressive symptoms.

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.

Further analysis found that the optimal sleep duration with the lowest risk of sickness absence from work was between 7 and 8 hours per night: 7 hours, 38 minutes for women and 7 hours, 46 minutes for men.

The prospective study examined the relationship between motor vehicle crashes and two common causes of sleep deficiency — insufficient sleep duration and obstructive sleep apnea.

The association between serum copper concentration and sleep duration persisted independently of cardiovascular diseases,» Luojus says.

When Siegel and his team analyzed the data, the researchers found that the sleep period (total time in bed including brief bouts of waking) in all three groups was similar — between 6.9 to 8.5 hours a night, with actual sleep durations of 5.7 to 7.2 hours a night.

«We see a 1 - hour difference in sleep duration between summer and winter, whereas chronic use of sleeping pills adds at most 15 minutes to sleep time.»

A fascinating side detail noted in the paper was that the reported overall sleep duration between the different categories was similar.

This research only established a correlation between the two (and not a cause - and - effect), so the study authors say they can't be sure whether inflammation triggers long and short sleep duration or whether sleep duration triggers inflammation.

Studies have reported links between depression and sleep duration.

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.

There is a strong correlation between short sleep duration and future weight [7][8].

Sleep duration was defined as the amount of time between sleep start and sleep end that was scored as sleep (an epoch is scored as sleep if the total activity counts ≤ wake threshold vaSleep duration was defined as the amount of time between sleep start and sleep end that was scored as sleep (an epoch is scored as sleep if the total activity counts ≤ wake threshold vasleep start and sleep end that was scored as sleep (an epoch is scored as sleep if the total activity counts ≤ wake threshold vasleep end that was scored as sleep (an epoch is scored as sleep if the total activity counts ≤ wake threshold vasleep (an epoch is scored as sleep if the total activity counts ≤ wake threshold vasleep if the total activity counts ≤ wake threshold value).

Population studies have consistently shown a relationship between short sleep duration and excess weight, generally with less than 7 hours the cutoff.

Circadian melatonin phase and phase relationships to scheduled sleep and wake times were similar for BL and 9 - h conditions, whereas circadian melatonin onset phase significantly delayed by ∼ 1.5 h and the duration between wake time and circadian melatonin offset phase was significantly longer in the 5 - h condition (Fig. 1).

Strong correlations were found between the repeated sleep measures for nocturnal sleep duration (r =.82), daytime sleep duration (r =.89), number of night wakings (r =.88), duration of nocturnal wakefulness (r =.95), nocturnal sleep - onset time (r =.95), and settling time (r =.94).

The correlation between mean weekday sleep efficiency and sleep efficiency from the night of the polysomnography was low (r = 0.13, P = 0.04), as was the correlation between mean weekday sleep duration and sleep duration from the night of the polysomnography (r = − 0.06, P = 0.37).

This study aimed to investigate associations between: (a) psychological distress, self - perceived health status and sleep duration among a large representative general population sample; and (b) patterns of sleep duration, physical activity and Body Mass Index among a subgroup of participants who self - reported as being in good health with low psycho

Stronger correlations were found between daily log and actigraphic measures with respect to sleep - onset time, nocturnal sleep duration, and number of night wakings.

Even though the research didn't show a direct link between short sleep duration and inflammation, Wilson adds, «this study lifts the veil on another piece of why sleep is still important.»

In terms of studies regarding behavioral problems, one extensive meta - analysis of the relationship between sleep deprivation and cognition in school - aged children found a significant increase in behavioral problems in children with shorter sleep duration.25) Additionally, sleep deprivation resulted in a significant increment in alertness and emotional reactivity in children, which led to delinquency, long - term emotional and behavioral difficulties.26 — 28) Consistent with such findings, sleep deprived subjects were more alert to negative stimuli, 29) and more susceptible to exaggerated aggressive impulses.30) Emotional lability and impulsivity were all strongly correlated with sleep deprivation, 31) with the severity of emotional dysregulation worsening as a function of the degree of sleep restriction.32)

This longitudinal study examines the association between chronic insomnia symptoms, recurrent sleep duration and well - being at older ages.