NCT Number: NCT07001514
Title
The Effect of Evening Technology Use with Calming vs. Exciting Content on Sleep Architecture in Older Adults: A Crossover Randomized Controlled Trial
Background
The study explores how evening use of digital devices with different types of content (calming vs. exciting) affects sleep in older adults. While technology's effects on sleep have been studied in younger populations, its specific impacts on older adults remain under-researched. This study fills that gap by focusing on subjective and objective sleep measures.
Objectives and Research Questions
Objective: Compare the effects of calming digital content, exciting digital content, and non-digital activities on sleep architecture.
Key Questions:
How does content type impact sleep architecture and quality? Does calming content lead to better sleep outcomes than exciting content? Are there subjective differences in sleep quality across conditions?
Trial opening soon.
Get Notified60 year–75 year
All sexes
Interventional
Not applicable
Karlskrona, Blekinge County, SE-371 79, Sweden
Anders Behrens
SUB_INVESTIGATOR
Jessica Berner
SUB_INVESTIGATOR
Joakim Niklasson
SUB_INVESTIGATOR
Johan Sanmartin Berglund
CONTACT
Sarah Nauman Ghazi
SUB_INVESTIGATOR
This study will compare the effects of watching calming (nature documentaries), playing exciting digital games like Ruzzle, and reading a physical book on older adults' subjective and objective sleep quality. This will be a randomized crossover trial. The investigators will exclude participants with diagnosed sleep disorders, Severe cognitive impairment, Use of sleep-affecting medications such as melatonin or benzodiazepines, or Irregular sleep schedules. A sample size of approximately 50 participants (49-51) will be recruited.
All the participants will have all three intervention periods with washout periods in between. During every intervention week, participants will fill out a quick nightly log about their sleep and what tech they used (smartphone, tablet, or a laptop/computer). During sleep, they will wear a comfy EEG headband measuring their sleep stages.
Because everyone eventually does all three conditions, the investigators can compare each person's own results and get more precise answers with fewer people.
The investigators will analyze the data and perform a statistical analysis. The study will be reported in the manuscript and published in a reputable journal.
Healthy volunteers accepted: Yes
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
Participants watch a curated selection of soothing documentaries narrated by Sir David Attenborough for 30-60 minutes each evening during one hour before bedtime.
Other names: digital, nature documentary
Participants engage with the interactive word-based game Ruzzle for 30-60 minutes each evening during one hour before bedtime, designed to provide mental stimulation.
Other names: Digital, Ruzzle, Game
Participants read a non-fiction book of their choice for the same duration, avoiding all digital screens during one hour before bedtime before bedtime.
Other names: book reading
Time frame: Nightly during each participant's 7-day intervention periods - Week 1 (Days 1-7), Week 3 (Days 15-21), and Week 5 (Days 29-35) after that participant's enrollment; up to 5 weeks per participant.
Sleep architecture containing sleep stages REM - Random eye movement stage.
Time frame: Nightly during each participant's 7-day intervention periods - Week 1 (Days 1-7), Week 3 (Days 15-21), and Week 5 (Days 29-35) after that participant's enrollment; up to 5 weeks per participant.
Sleep architecture containing sleep stages, Deep sleep
Time frame: Nightly during each participant's 7-day intervention periods - Week 1 (Days 1-7), Week 3 (Days 15-21), and Week 5 (Days 29-35) after that participant's enrollment; up to 5 weeks per participant.
Sleep architecture containing sleep stages, light sleep
Time frame: Nightly during each participant's 7-day intervention periods - Week 1 (Days 1-7), Week 3 (Days 15-21), and Week 5 (Days 29-35) after that participant's enrollment; up to 5 weeks per participant.
time to fall asleep- through EEG headband
Time frame: Nightly during each participant's 7-day intervention periods - Week 1 (Days 1-7), Week 3 (Days 15-21), and Week 5 (Days 29-35) after that participant's enrollment; up to 5 weeks per participant.
Total amount or duration of sleep
Time frame: Nightly during each participant's 7-day intervention periods - Week 1 (Days 1-7), Week 3 (Days 15-21), and Week 5 (Days 29-35) after that participant's enrollment; up to 5 weeks per participant.
Sleep efficiency (SE)- Sleep efficiency is the percentage of time in bed actually spent sleeping. It is calculated by dividing total sleep time by total time spent in bed and multiplying by 100. Higher sleep efficiency suggests less wakefulness during the night and better overall sleep quality.
Time frame: Nightly during each participant's 7-day intervention periods - Week 1 (Days 1-7), Week 3 (Days 15-21), and Week 5 (Days 29-35) after that participant's enrollment; up to 5 weeks per participant.
Wake up after sleep onset (WASO).WASO measures the cumulative amount of time a participant spends awake after initially falling asleep, until final morning awakening. Elevated WASO values may indicate fragmented or disrupted sleep, which can negatively affect sleep quality and daytime functioning.
Time frame: Each morning from Day 1 through Day 35 after each participant's enrollment, covering all intervention and washout weeks; up to 5 weeks per participant
Single-Item Sleep Quality Scale. Range 0 (Terrible) to 10 (Excellent)
Time frame: Each morning during each participant's 7-day intervention periods - Week 1 (Days 1-7), Week 3 (Days 15-21), and Week 5 (Days 29-35) after that participant's enrollment; up to 5 weeks per participant
How comfortable do you find wearing the EEG headband at night?
Time frame: Each morning during each participant's 7-day intervention periods - Week 1 (Days 1-7), Week 3 (Days 15-21), and Week 5 (Days 29-35) after that participant's enrollment; up to 5 weeks per participant
Participants will be asked whether they were able to complete the assigned evening activity the previous night. If the answer is "yes," they will also report how long they engaged in the intervention (in minutes). This self-report measure will help evaluate the feasibility and real-world compliance with each intervention condition.
Time frame: Baseline (Day 0, at enrollment; one-time survey)
Before the first intervention phase, participants complete a baseline survey assessing:
Sociodemographic characteristics (Gender, Living status, economic situation, working status, how many hours do you work, education status).
Subjective sleep health (SATED 3 item likert scale instrument with five questions).
Sleeping habits (sleep medication use?, Sleep-schedule regularity,Daytime napping, Evening screen exposure, Sleep disruption by physical symptoms (pain,itching), Sleep disruption by psychological factors, Night-time technology use, Nocturia).
Chronotype (The reduced Morningness-Eveningness Questionnaire), general health status (0 bad to 4 excellent).
Technology use (On average, how often have you used the INTERNET on your computer, tablet and smartphone in the last three months?).
Contact information is provided by the study sponsor or research team.
Peter Anderberg, PhD
CONTACT
Sarah Nauman Ghazi, MD| M.Sc. | Fil. Licentiate
CONTACT
Blekinge Institute of Technology
Other
The Effect of Evening Technology Use With Calming vs. Exciting Content on Sleep Architecture in Older Adults: A Crossover Randomized Controlled Trial
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