Related Experiment Video
Updated: Jul 15, 2025
07:40
Multi-Modal Home Sleep Monitoring in Older Adults
Published on: January 26, 2019
7.7K
Cohort profile: The SmartSleep Study, Denmark, combining evidence from survey, clinical and tracking data
Naja Hulvej Rod1, Thea Otte Andersen2, Elin Rosenbek Severinsen2,3
1Department of Public Health, University of Copenhagen, Copenhagen, Denmark nahuro@sund.ku.dk.
BMJ Open
|October 4, 2023
Summary
Night-time smartphone use significantly impacts sleep patterns and overall health. The SmartSleep Study reveals distinct usage patterns and their long-term health consequences, paving the way for future research and interventions.
Area of Science:
- Sleep Science
- Digital Health
- Public Health
Background:
- Night-time smartphone use is a growing concern impacting sleep quality and health.
- Understanding the complex relationship between digital device usage and physiological well-being is crucial.
Purpose of the Study:
- To comprehensively assess the impact of night-time smartphone use on sleep patterns and health.
- To investigate multisystem physiological dysregulation and long-term health consequences linked to sleep impairment.
Main Methods:
- Utilizing a combination of large-scale surveys, high-resolution sensor-driven smartphone data, clinical examinations, and registry linkage.
- Analyzing over 803,000 data points from high-resolution tracking to identify distinct night-time smartphone use patterns.
- Characterizing four distinct clusters of night-time smartphone use based on objective tracking data.
Main Results:
- Identified distinct clusters of temporal trajectories in night-time smartphone use.
- Characterized four unique patterns of night-time smartphone engagement.
- Highlighted the potential of citizen science approaches in sleep research.
Conclusions:
- The SmartSleep Study provides unprecedented data on smartphone activity during sleep spans.
- Linkage to nationwide registers enables investigation of long-term health and social consequences.
- Future data collection rounds will further expand understanding of night-time smartphone use impacts.
Related Concept Videos
01:24Substance Use Disorders Affecting Sleep
180
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,...
Understanding the concepts of physical dependence,...
180
01:11Understanding Sleep
255
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...
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...
255
01:26Longitudinal Studies
175
Longitudinal studies are also widely used in other medical and social science fields. For instance, in cardiovascular research, they can monitor patients' health over decades to identify risk factors for heart disease, such as high cholesterol or smoking, and evaluate the long-term effectiveness of preventive measures. Similarly, in mental health studies, researchers might follow individuals from adolescence into adulthood to understand the development and progression of conditions like...
175
01:15REM Sleep Behavior Disorder
217
REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
RBD is significantly associated with...
RBD is significantly associated with...
217
01:21Sleep Apnea
168
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...
The condition is more prevalent among...
168
02:07Blind Procedures
10.6K
Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
10.6K