Related Experiment Video

Updated: Jul 1, 2025

Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression
04:33

Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression

Published on: April 26, 2024

679

Weekdays' sleeping condition and its influence on occurrence of general malaise in Japanese children aged 10 to

Tomoko Nakanishi1, Tatsuya Yoshikawa2, Ryoko Higuchi3

  • 1Kyoritsu Women's Junior College, Tokyo, Japan.

Sleep and Biological Rhythms
|March 12, 2024
PubMed

Insights

Weekday sleep patterns in 761 Japanese children aged 10-12 years were analyzed. Insufficient sleep duration, under 8 hours, was linked to increased general malaise in children.

Area of Science:

  • Pediatrics
  • Sleep Medicine
  • Child Health

Background:

  • Weekday sleep patterns significantly impact children's well-being.
  • General malaise is a common complaint among school-aged children.
  • Understanding sleep influences on child health is crucial for public health initiatives.

Purpose of the Study:

  • To investigate weekday sleeping conditions in Japanese children aged 10-12 years.
  • To determine the relationship between sleep patterns and the occurrence of general malaise.
  • To classify children's sleep conditions using objective and subjective measures.

Main Methods:

  • A self-administered questionnaire was used to survey 761 Japanese children (10-12 years old).
  • Data collected included weekdays' waking time, bedtime, and general malaise symptoms.
  • Hierarchical cluster analysis was employed to categorize sleep conditions.

Main Results:

  • Three distinct clusters of weekday sleep conditions were identified.
  • Cluster 2 exhibited significantly shorter sleep durations (7.83 ± 0.77 h) compared to Clusters 1 and 3.
  • A higher prevalence of general malaise was reported in Cluster 2, suggesting a link between shorter sleep and malaise.

Conclusions:

  • Weekday sleep conditions in children aged 10-12 years can be categorized into three distinct patterns.
  • Sleep duration less than 8 hours on weekdays is associated with an increased likelihood of experiencing general malaise.
  • These findings highlight the importance of adequate sleep for maintaining children's health and well-being.

Keywords:
BedtimeCluster analysisMental healthSelf-administered questionnaireSleep durationWaking time

More Related Videos

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood08:20

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

Published on: October 2, 2019

11.9K
Human Circadian Phenotyping and Diurnal Performance Testing in the Real World10:16

Human Circadian Phenotyping and Diurnal Performance Testing in the Real World

Published on: April 7, 2020

8.5K

Related Concept Videos

Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
143
Cause and Effect01:53

Cause and Effect

While variables are sometimes correlated because one does cause the other, it could also be that some other factor, a confounding variable, is actually causing the systematic movement in our variables of interest. For instance, as sales in ice cream increase, so does the overall rate of crime. Is it possible that indulging in your favorite flavor of ice cream could send you on a crime spree? Or, after committing crime do you think you might decide to treat yourself to a cone?
10.9K
Nightmares and Night Terrors01:18

Nightmares and Night Terrors

Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of the event. Nightmares are vivid, disturbing dreams that usually awaken the sleeper from REM sleep, a stage of sleep where brain activity is high, and dreams are most frequent. Upon awakening, individuals often have detailed recollections of their nightmares, which can include themes of threats to survival, security, or self-esteem.
Nightmares...
89
Depressive Disorders: MDD and Dysthymia01:27

Depressive Disorders: MDD and Dysthymia

Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...
127
Sleep-Wake Cycles01:24

Sleep-Wake Cycles

Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
1.3K
Narcolepsy01:07

Narcolepsy

Narcolepsy is a chronic sleep disorder characterized by pervasive, uncontrolled sleepiness and other sleep disturbances. One of its hallmark symptoms is an abrupt transition to REM sleep upon falling asleep, which causes symptoms typically associated with this phase to occur unexpectedly during wakefulness. These include the following symptoms, which typically last from a minute or two to half an hour.
102