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Tanya [424]
3 years ago
7

The brain's pineal gland produces the hormone ________, which helps control your sleepiness and wakefulness cycles.

Biology
2 answers:
Katen [24]3 years ago
8 0
<span>The brain's pineal gland produces the hormone melatonin,  which helps control your sleepiness and wakefulness cycles. Melatonin is a natural hormone in the body which production is </span>stimulated by darkness and decreased by light.  This hormone is involved in the <span>internal body clock and regulates diverse body functions.</span>
Norma-Jean [14]3 years ago
7 0
Melatonin is the hormone produced by the brain's pineal gland. This hormone helps in regulating one's sleep cycle - i.e. controls sleepiness and wakefulness.
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