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Explain how a greenhouse works.
Pineal Gland
A small endocrine gland in the vertebrate brain, often associated with the secretion of melatonin, regulating sleep patterns.
Melatonin
A hormone produced by the pineal gland that regulates sleep-wake cycles and tells the body when it's time to sleep.
Bright Light
A high-intensity illumination that can influence biological processes, mood, and circadian rhythms in humans and other organisms.
Paradoxical Sleep
Another term for REM (Rapid Eye Movement) sleep, a sleep stage characterized by vivid dreaming, increased brain activity, and temporary muscle paralysis.
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