None listed
Conditions
Interventions
Noise is presented at time intervals when the research participants are sleeping. Sound, light, and wind stimuli are presented to the research participants when they wake up.
Sponsors
National Institute of Advanced Industrial Science and Technology (AIST)
National Research Councli Canada (NRC)
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: I. Persons who are able to obtain free and voluntary written consent to participate in the research from the person concerned. II. Over 60 years of age III. Persons who are able to cooperate in the sleep experiment IV. Those who can participate in all experimental conditions (consecutive days of the week) V. Those who are not in the habit of using information and communication terminals (PCs, smartphones, tablets) until just before bedtime on a daily basis.
Exclusion criteria
Exclusion criteria: I. Patients with sleep disorders (e.g., sleep apnea syndrome, nocturia) II. Health disorders that can impact sleep (e.g., chronic pain) III. Complete hearing loses IV. Primary psychiatric disorders aside from anxiety disorders (e.g., schizophrenia) V. Those who have a smoking habit and/or excessive drinking habit VI. Recent trans-meridian travel (participants will be required to wait 3 days for each jet lag hour before entering the study); VII. Shift-work involving overnight shifts on more than 3 occasions within the last 60-days prior to entry into the study VIII. Change in use of medication that affect sleep, circadian rhythms, or alertness in the last month (e.g., hypnotics, benzodiazepines, neuroleptics, melatonin) IX. Persons suffering from depression X. participants not stabilized (less than 2 months) on lithium or melatoninergic agents XI. Participant have difficulty participating consecutively XII. Participant do not have the habit of wearing nightclothes to bed
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Effects of noise presentation during sleep on sleep efficiency and sleep state | — |
Secondary
| Measure | Time frame |
|---|---|
| Data of auditory thresholds Sleep evaluation data excluding sleep efficiency Sleep habit data from wearable devices Measurement data (number of steps, activity, heart rate, calories burned) by wearable device Sleep evaluation data by sleep condition Experimental environment data (sound) Experimental environment data (temperature and humidity) Stimulus presentation data upon waking up Questionnaire response data (age, gender, living environment, noise sensitivity, personality, insomnia) | — |
Countries
Japan
Contacts
Public ContactManabu Chikai
National Institute of Advanced Industrial Science and Technology (AIST) Human Informatics and Interaction Research Institute
Outcome results
None listed