mechanistic
Analysis v1
Strong Support
When you're awake, your brain builds up a chemical called adenosine, which tells your brain it's time to sleep by slowing down brain activity.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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Astrocytic modulation of sleep homeostasis and cognitive consequences of sleep loss.
Randomized Controlled Trial
Animal
2009 Jan 29The study found that brain cells called astrocytes release a chemical (adenosine) that makes us feel sleepy, and when they don’t release it, we don’t feel as tired—even when sleep-deprived. This proves adenosine is key to why we get sleepy when awake.
Contradicting (0)
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Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.