Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Insufficient Sleep and Sleep Deprivation

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...

Stages of Sleep

Stages of Sleep

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...

Understanding Sleep

Understanding Sleep

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...

Sleep Apnea

Sleep Apnea

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...

Sleepwalking and Sleep Talking

Sleepwalking and Sleep Talking

Somnambulism, commonly known as sleepwalking, involves individuals engaging in activities ranging from simple walking to more complex behaviors such as driving. Sleepwalking typically occurs during the slow-wave sleep stages 3 and 4 early in the night when the person is not dreaming, contradicting the myth that sleepwalkers are acting out their dreams.
Factors that increase the likelihood of sleepwalking include sleep deprivation and alcohol consumption. Contrary to common beliefs, it is safe...

Substance Use Disorders Affecting Sleep

Substance Use Disorders Affecting Sleep

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,...

You might also read

Related Articles

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

Sort by

Same author

Adverse health outcomes for prostate cancer patients treated with radiotherapy combined with androgen-deprivation therapy: A population-based, controlled study, from Norway.

Acta oncologica (Stockholm, Sweden)·2025

Same author

Adverse Health Outcomes 3 Years after Radical Prostatectomy Compared with Men in the General Population: A Study from the Cancer Registry of Norway.

Clinical genitourinary cancer·2024

Same author

Summary of seven Swedish case reports on the microwave syndrome associated with 5G radiofrequency radiation.

Reviews on environmental health·2024

Same author

Cell Phone Radiation Exposure Limits and Engineering Solutions.

International journal of environmental research and public health·2023

Same author

The Critical Importance of Molecular Biomarkers and Imaging in the Study of Electrohypersensitivity. A Scientific Consensus International Report.

International journal of molecular sciences·2021

Same author

Is the Increasing Incidence of Thyroid Cancer in the Nordic Countries Caused by Use of Mobile Phones?

International journal of environmental research and public health·2020

Search research articles

Related Experiment Video

Updated: Jan 28, 2026

Polygraphic Recording Procedure for Measuring Sleep in Mice

Polygraphic Recording Procedure for Measuring Sleep in Mice

Published on: January 25, 2016

Increasing Numbers of Persons with Sleeping Problems in Sweden.

Mona Nilsson¹, Lennart Hardell²

¹Swedish Radiation Protection Foundation, 178 92 Adelsö, Sweden.

Diseases (Basel, Switzerland)

|January 27, 2026

Summary

Sleep disorder diagnoses significantly increased across all age groups in Sweden from 2001 to 2024, particularly in younger populations. This rise may be linked to increased exposure to radiofrequency radiation and screen use.

Keywords:

Sweden microwaves radiofrequency radiation sleeping problems

More Related Videos

The Sleep Nullifying Apparatus: A Highly Efficient Method of Sleep Depriving Drosophila

The Sleep Nullifying Apparatus: A Highly Efficient Method of Sleep Depriving Drosophila

Published on: December 14, 2020

Quantitative Measurement of the Immune Response and Sleep in Drosophila

Quantitative Measurement of the Immune Response and Sleep in Drosophila

Published on: December 4, 2012

Related Experiment Videos

Last Updated: Jan 28, 2026

Polygraphic Recording Procedure for Measuring Sleep in Mice

Polygraphic Recording Procedure for Measuring Sleep in Mice

Published on: January 25, 2016

The Sleep Nullifying Apparatus: A Highly Efficient Method of Sleep Depriving Drosophila

The Sleep Nullifying Apparatus: A Highly Efficient Method of Sleep Depriving Drosophila

Published on: December 14, 2020

Quantitative Measurement of the Immune Response and Sleep in Drosophila

Quantitative Measurement of the Immune Response and Sleep in Drosophila

Published on: December 4, 2012

Area of Science:

Public Health
Epidemiology
Sleep Medicine

Background:

Sleep problems represent a growing public health concern.
Understanding trends in sleep disorder diagnoses is crucial for effective healthcare planning.

Purpose of the Study:

To investigate the prevalence and trends of diagnosed sleep problems in the Swedish population.
To analyze sleep disorder diagnosis rates across different age demographics between 2001 and 2024.

Main Methods:

Utilized data from the Swedish National Board of Health and Welfare's patient register.
Assessed annual diagnoses of ICD codes G47 (sleep disorders) and F51 (non-organic sleep disorders) per 100,000 inhabitants.
Analyzed data for age groups 0-4, 5-19, 20-39, 40-59, and 60+ years.

Main Results:

A substantial increase in sleep disorder (G47) diagnoses was observed across all age groups from 2001 to 2024.
The most significant increases were noted in younger populations: age group 0-4 years (41.5 to 215.8) and 5-19 years (13.8 to 235.6).
Diagnoses for non-organic sleep disorders (F51) showed no major changes.

Conclusions:

The study highlights a rapid increase in sleep disorder diagnoses, especially among children and young adults.
Potential contributing factors include increased public exposure to microwave radiofrequency (RF) radiation and heightened screen usage.
RF radiation and screen time may adversely affect sleep quality and contribute to the observed rise in sleep problems.