Primary Objective: Evaluate how the Circadian OS iPad-based light intervention suppresses melatonin. This small pilot study is designed to validate the Circadian OS technology by testing physiological response using melatonin suppression. The study aims to evaluate how the Circadian OS iPad-based light intervention influences sleepiness as measured objectively via suppression of melatonin and subjectively via the Karolinska Sleepiness scale.
Aims: To test whether the Circadian OS app delivers sufficient circadian effective light that will result in measurable melatonin suppression (target suppression is 30% after 1 hour exposure) Hypothesis: The Circadian OS app will deliver a Circadian Stimulus (CS) of 0.3 at the eye level and will result in 30% melatonin suppression after one hour using the device compared to less than 10% suppression without the Circadian OS app and the subjects will feel less sleepy (KSS score) when exposed to the Circadian OS app compared to no app Outcomes: melatonin suppression will be calculated from saliva samples and subjective sleepiness as self-rated on the Karolinska Sleepiness Scale (KSS)
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
10
Circadian OS is a software program that runs on existing iPads. It utilizes the iPad capabilities to control and deliver circadian-effective light.
Icahn School of Medicine at Mount Sinai
New York, New York, United States
Melatonin Level
Melatonin is a natural hormone that is mainly produced by a gland in the brain and helps regulate the body's natural sleep-wake cycle.
Time frame: immediately prior to the iPad turning on, after 30 minutes of light exposure and after 60 minutes of light exposure
Karolinska Sleepiness Scale (KSS)
Sleepiness using the Karolinska Sleepiness Scale (KSS) which includes one item - participants will rate how sleep they are feeling on a scale of 0 to 9,with higher score indicating being the most sleepy
Time frame: immediately prior to the iPad turning on, after 30 minutes of light exposure and after 60 minutes of light exposure
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