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Sleep-wake cycle: Difference between revisions
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*High levels of adenosine activating the adenosine receptor A1 inhibit cholinergic neurons in the basal forebrain<ref>http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3362278/ | Adenosine inhibits glutamatergic input to basal forebrain cholinergic neurons</ref> thus gradually causing cognitive decline. | |||
*In the presence of insulin melatonin causes upregulation of leptin allowing one to fast while they sleep<ref>https://www.ncbi.nlm.nih.gov/pubmed/15572654 | Melatonin enhances leptin expression by rat adipocytes in the presence of insulin.</ref> (If one has been fasting before sleep insulin levels will be low causing melatonin to downregulate leptin instead of upregulating it, thus encouraging one to eat before they sleep) | *In the presence of insulin melatonin causes upregulation of leptin allowing one to fast while they sleep<ref>https://www.ncbi.nlm.nih.gov/pubmed/15572654 | Melatonin enhances leptin expression by rat adipocytes in the presence of insulin.</ref> (If one has been fasting before sleep insulin levels will be low causing melatonin to downregulate leptin instead of upregulating it, thus encouraging one to eat before they sleep) | ||