The sleep-wake rhythm, also known as the circadian rhythm, is a natural, approximately 24-hour cycle that controls many physiological processes in the human body. This internal timer is mainly synchronized by light signals that are picked up by the retina of the eye and transmitted to the suprachiasmatic nucleus region in the hypothalamus.
Melatonin, a hormone secreted by the pineal gland, plays a key role in regulating the sleep-wake cycle. Melatonin production increases in the dark, signaling to the body that it is time to prepare for sleep. Light suppresses melatonin production and helps us to stay awake and alert.
Disruptions to the sleep-wake cycle can lead to sleep problems such as insomnia or excessive daytime sleepiness. In the long term, such disturbances can also increase the risk of serious health problems, including cardiovascular disease, diabetes and mood disorders.
The chip is designed to help regulate the sleep-wake cycle and support melatonin production and promote restful sleep.
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