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

Band Theory02:35

Band Theory

17.2K
When two or more atoms come together to form a molecule, their atomic orbitals combine and molecular orbitals of distinct energies result. In a solid, there are a large number of atoms, and therefore a large number of atomic orbitals that may be combined into molecular orbitals. These groups of molecular orbitals are so closely placed together to form continuous regions of energies, known as the bands.
The energy difference between these bands is known as the band gap.
Conductor, Semiconductor,...
17.2K
Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

942
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...
942
Energy Bands in Solids01:01

Energy Bands in Solids

2.0K
Isolated atoms have discrete energy levels that are well described by the Bohr model. And, it quantifies the energy of an electron in a hydrogen atom as En. Higher quantum numbers 'n' yield less negative, closer electron energy levels.
 Band Formation:
When atoms are brought close together, as in a solid, these discrete energy levels begin to split due to the overlap of electron orbitals from adjacent atoms. This split occurs because of the Pauli exclusion principle, which states...
2.0K
Stages of Sleep01:22

Stages of Sleep

1.5K
Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
1.5K
Understanding Sleep01:11

Understanding Sleep

1.6K
Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
1.6K
Sleep Apnea01:21

Sleep Apnea

576
Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
576

You might also read

Related Articles

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

Sort by
Same author

A cardiovascular, craniofacial, and neurodevelopmental disorder caused by loss-of-function variants in the eIF3 complex component genes EIF3A and EIF3B.

American journal of human genetics·2026
Same author

A cardiovascular, craniofacial, and neurodevelopmental disorder caused by loss-of-function variants in the eIF3 complex component genes EIF3A and EIF3B.

American journal of human genetics·2025
Same author

Genetic suppression features ABHD18 as a Barth syndrome therapeutic target.

Nature·2025
Same author

A targeted literature review on the impact of tailored interventions on patient outcomes in oncology.

Oncogene·2025
Same author

Chemokine Receptor 2 Is a Theranostic Biomarker for Abdominal Aortic Aneurysms.

JACC. Basic to translational science·2025
Same author

Erratum: First-Line Nivolumab Plus Relatlimab Versus Nivolumab Plus Ipilimumab in Advanced Melanoma: An Indirect Treatment Comparison Using RELATIVITY-047 and CheckMate 067 Trial Data.

Journal of clinical oncology : official journal of the American Society of Clinical Oncology·2025

Related Experiment Video

Updated: Feb 4, 2026

Quantitative Measurement of the Immune Response and Sleep in Drosophila
12:16

Quantitative Measurement of the Immune Response and Sleep in Drosophila

Published on: December 4, 2012

16.0K

Sleep and BMI: Do (Fitbit) bands aid?

Laura McDonald1, Faisal Mehmud2, Sreeram V Ramagopalan1

  • 1Centre for Observational Research and Data Sciences, Bristol-Myers Squibb, Uxbridge, UB8 1DH, UK.

F1000Research
|October 2, 2018
PubMed
Summary

Consumer wearables like Fitbit can objectively measure sleep and its link to body mass index (BMI). This study confirms sleep duration negatively correlates with BMI in a Chinese population, highlighting wearables

Keywords:
BMIfitbitsleepwearable

More Related Videos

Polygraphic Recording Procedure for Measuring Sleep in Mice
08:45

Polygraphic Recording Procedure for Measuring Sleep in Mice

Published on: January 25, 2016

25.3K
Establishing a Device for Sleep Deprivation in Mice
05:05

Establishing a Device for Sleep Deprivation in Mice

Published on: September 22, 2023

2.5K

Related Experiment Videos

Last Updated: Feb 4, 2026

Quantitative Measurement of the Immune Response and Sleep in Drosophila
12:16

Quantitative Measurement of the Immune Response and Sleep in Drosophila

Published on: December 4, 2012

16.0K
Polygraphic Recording Procedure for Measuring Sleep in Mice
08:45

Polygraphic Recording Procedure for Measuring Sleep in Mice

Published on: January 25, 2016

25.3K
Establishing a Device for Sleep Deprivation in Mice
05:05

Establishing a Device for Sleep Deprivation in Mice

Published on: September 22, 2023

2.5K

Area of Science:

  • Biomedical research
  • Wearable technology
  • Public health

Background:

  • Mainstream consumer devices, such as Fitbit, are increasingly used for objective sleep assessment.
  • A well-documented association exists between sleep duration and body mass index (BMI).

Purpose of the Study:

  • To investigate the global applicability of Fitbit data for biomedical research.
  • To analyze Fitbit data from a predominantly Chinese population to assess sleep and BMI associations.

Main Methods:

  • Analysis of openly available Fitbit data.
  • Statistical adjustment for age, gender, race, and average daily steps.
  • Examination of the association between average sleep hours and BMI.

Main Results:

  • Average hours of sleep per day was negatively associated with BMI (p=0.02) after adjusting for covariates.
  • The findings support the use of Fitbit data in international scientific research.

Conclusions:

  • Wearable technology, specifically Fitbit, shows significant potential for international biomedical research.
  • Objective sleep data from wearables can be reliably used to study population health metrics like BMI.