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Find the limit.
Melatonin Treatments
Therapeutic uses of melatonin, a hormone that regulates sleep-wake cycles, often used to treat sleep disorders.
Sleep-wake Cycles
The natural, circadian rhythm that regulates when we are awake and when we sleep, typically repeating every 24 hours.
Light Perception
The ability to see light and differentiate between its intensity and direction, a fundamental aspect of vision.
Circadian Rhythms
Biological processes that occur on a roughly 24-hour cycle, influencing sleep, wakefulness, and various bodily functions.
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