Mathematical model of light and circadian data improves sleep timing in people with schizophrenia

# Mathematical model of light and circadian data improves sleep timing in people with schizophrenia

Disturbed sleep timing in people living with schizophrenia is more likely to be related to light exposure than to intrinsic biological factors.

Application of a physiologically-based mathematical model to light exposure, sleep timing data and biological markers of the circadian clock, has revealed that disturbed sleep timing in people living with schizophrenia is more likely to be related to light exposure than to intrinsic biological factors. Surprisingly, the combination of the mathematical model and digital health data suggested that normalization of disturbed sleep timing can be achieved by improving light availability and does not require the imposition of altered sleep timing or sitting in front of light boxes as recommended in current bright light intervention therapies.

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“Light availability” is mentioned as a tool to combat these irregular sleep patterns.

This is what the doctor said,"“Our clinical framework suggests a cost-effective way to help people sleep at more regular times through ‘light availability’ interventions that are co-designed with individuals to fit into their daily lives. With guidance from clinicians, a wearable device to measure light and appropriate software, light interventions could take into account individual physiological characteristics and preferences.”

I wonder what the wearable device is?

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