Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

196
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...
196
Substance Use Disorders Affecting Sleep01:24

Substance Use Disorders Affecting Sleep

209
Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
209
Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response01:15

Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response

115
Circadian rhythms are cyclic changes that are crucial in plasma drug concentrations. Various standard circadian parameters, including core body temperature, heart rate, and other cardiovascular factors, directly impact disease states and the therapeutic response to drug therapy.
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
115
Nightmares and Night Terrors01:18

Nightmares and Night Terrors

150
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...
150
Insomnia01:27

Insomnia

115
Insomnia is a prevalent sleep disorder characterized by difficulty falling asleep, frequent awakenings during the night, and waking up too early without being able to return to sleep. People with insomnia often experience these disruptions at least three nights a week for at least one month. Chronic insomnia, which lasts for at least three months, can lead to increased anxiety, which in turn can worsen sleep difficulties, creating a cycle of sleeplessness and stress.
Multiple factors contribute...
115
Management of Insomnia01:19

Management of Insomnia

309
The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
309

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Sleep, circadian activity patterns and postpartum depression: A systematic review and meta-analysis of actigraphy studies.

Journal of sleep research·2023
Same author

Social and physical anhedonia in relation to grandiose and vulnerable narcissism.

Current issues in personality psychology·2023
Same author

Chronotype, Time of Day, and Performance on Intelligence Tests in the School Setting.

Journal of Intelligence·2023
Same author

Factors Underpinning the Shift to Eveningness during Early Adolescence: Pubertal Development and Family Conflicts.

Journal of youth and adolescence·2022
Same author

Gender does not make the difference: interest in STEM by gender is fully mediated by technical socialization and degree program.

International journal of technology and design education·2022
Same author

Religious Fundamentalism, Delusions, and Conspiracy Beliefs Related to the COVID-19 Pandemic.

International journal of environmental research and public health·2022

Related Experiment Video

Updated: Aug 23, 2025

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
08:36

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

12.1K

COVID-19-lockdown delayed sleep timing in Tyrolean teachers.

Christian Vollmer1, Konrad S Jankowski2

  • 1Department of Research and Development in Teacher Education, University College of Teacher Education Tyrol, Innsbruck, Austria.

Chronobiology International
|November 2, 2022
PubMed
Summary

Teachers experienced improved sleep during the COVID-19 lockdown due to flexible work hours. This suggests that delayed school start times could benefit educators by aligning their sleep with biological needs.

Keywords:
Teacher characteristicsdistance educationeducator effectivenessquantitative researchsleep losssocial jetlag

More Related Videos

Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies
15:00

Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies

Published on: February 3, 2023

2.6K
Human Circadian Phenotyping and Diurnal Performance Testing in the Real World
10:16

Human Circadian Phenotyping and Diurnal Performance Testing in the Real World

Published on: April 7, 2020

8.6K

Related Experiment Videos

Last Updated: Aug 23, 2025

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
08:36

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments

Published on: August 8, 2019

12.1K
Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies
15:00

Setup of Consumer Wearable Devices for Exposure and Health Monitoring in Population Studies

Published on: February 3, 2023

2.6K
Human Circadian Phenotyping and Diurnal Performance Testing in the Real World
10:16

Human Circadian Phenotyping and Diurnal Performance Testing in the Real World

Published on: April 7, 2020

8.6K

Area of Science:

  • Sleep science
  • Educational research
  • Public health

Background:

  • Delayed school start times are known to benefit students' sleep.
  • The impact on teachers' sleep patterns remains largely unexplored.
  • The COVID-19 lockdown provided a unique natural experiment for studying teacher sleep.

Purpose of the Study:

  • To investigate the effects of a forced home office on Tyrolean teachers' sleep during the COVID-19 lockdown.
  • To compare sleep patterns before and during the lockdown period.
  • To assess the benefits of flexible working hours on teacher sleep quality and social jetlag.

Main Methods:

  • A cross-sectional online survey was conducted with 2,314 Tyrolean teachers from April to May 2020.
  • Data collected included retrospective and during-lockdown bedtimes and wake times on workdays and weekends.
  • Calculated variables included time in bed, social jetlag, and sleep loss.

Main Results:

  • Teachers reported significantly later bedtimes and rise times during the lockdown compared to before.
  • Sleep duration on workdays increased, while workday sleep loss and social jetlag decreased.
  • These improvements were primarily driven by delayed rise times and were more pronounced in younger teachers.

Conclusions:

  • The shift to a home office during lockdown led to a significant delay in teachers' workday sleep schedules.
  • Teachers, like adolescent students, benefit from delayed start times that align with their natural sleep-wake cycles.
  • Findings support the implementation of delayed school start times for improved teacher well-being and performance.