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Sleep-wake cycle: Difference between revisions
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*Exposure to blue light frequencies mainly between 460 and 480nm trigger [[melanopsin]] cells in the eyes to send a signal to the suprachiasmatic nucleus (SCN) which sends [[GABA]] to the [[pineal gland]], inhibiting it from releasing melatonin thereby causing levels to decline. | *Exposure to blue light frequencies mainly between 460 and 480nm trigger [[melanopsin]] cells in the eyes to send a signal to the suprachiasmatic nucleus (SCN) which sends [[GABA]] to the [[pineal gland]], inhibiting it from releasing melatonin thereby causing levels to decline. | ||
*Ghrelin has built up since the food eaten before sleep has been digested and the stomach is empty, this induces hunger thereby causing one to eat. <ref> http://www.ncbi.nlm.nih.gov/gene/51738 | ghrelin and obestatin prepropeptide [ Homo sapiens (human) ]</ref> | *Ghrelin has built up since the food eaten before sleep has been digested and the stomach is empty, this induces hunger thereby causing one to eat.<ref> http://www.ncbi.nlm.nih.gov/gene/51738 | ghrelin and obestatin prepropeptide [ Homo sapiens (human) ]</ref> | ||
*ATP from the food is metabolized into adenosine which begins to accumulate around the adenosine receptors. <ref>http://thebrain.mcgill.ca/flash/a/a_11/a_11_m/a_11_m_cyc/a_11_m_cyc.html | MOLECULES THAT BUILD UP AND MAKE YOU SLEEP</ref> | *ATP from the food is metabolized into adenosine which begins to accumulate around the adenosine receptors. <ref>http://thebrain.mcgill.ca/flash/a/a_11/a_11_m/a_11_m_cyc/a_11_m_cyc.html | MOLECULES THAT BUILD UP AND MAKE YOU SLEEP</ref> | ||