<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RSS Feed]]></title><description><![CDATA[RSS Feed]]></description><link>http://direct.ecency.com</link><image><url>http://direct.ecency.com/logo512.png</url><title>RSS Feed</title><link>http://direct.ecency.com</link></image><generator>RSS for Node</generator><lastBuildDate>Sat, 25 Apr 2026 08:11:20 GMT</lastBuildDate><atom:link href="http://direct.ecency.com/created/sleep-wake/rss.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[ Body's Clock- why we experience sleep-wake cycle and mental alertness cycle]]></title><description><![CDATA[Humans circadian rhythm are controlled by a master biological clock- a tiny clusters of neurons in the hypothalamus in the brain called the Suprachiasmatic nucleus (SCN). The SCN is the internal pacemaker]]></description><link>http://direct.ecency.com/circadian/@toughkid/bodys-clock-why-we-experience-sleepwake-cycle-and-mental-alertness-cycleotgnsy20</link><guid isPermaLink="true">http://direct.ecency.com/circadian/@toughkid/bodys-clock-why-we-experience-sleepwake-cycle-and-mental-alertness-cycleotgnsy20</guid><category><![CDATA[circadian]]></category><dc:creator><![CDATA[toughkid]]></dc:creator><pubDate>Sun, 26 Aug 2018 10:01:33 GMT</pubDate><enclosure url="https://images.ecency.com/p/39DuzQEPoYrMFJdf5ZLaRhoTca9NddNkzVKyg7xjhUprrFu6AMrnq5NasimhotuTdjUqJJdVLQQGmd7Mh5NDCk5w5pZeYbUe8N82AFQAZpi8u7rkhK5x7hATFg2MCWaYXyhrZbLd7PYRx4NKahviPzs4EB8dXhzsP2XVc69TLjGaQ5f7f81hjzcjmzPQ4awK2hK124RkSPbWKCtbXcyVb74?format=match&amp;mode=fit" length="0" type="false"/></item><item><title><![CDATA[Science Pills: What is melatonin?]]></title><description><![CDATA[📷 Melatonin is a natural substance produced by the pineal gland present in all life forms. It's an intelligent molecule with multiple functions that acts selectively only when and where it's needed, and]]></description><link>http://direct.ecency.com/science/@kastiuz/science-pills-what-is-melatonin</link><guid isPermaLink="true">http://direct.ecency.com/science/@kastiuz/science-pills-what-is-melatonin</guid><category><![CDATA[science]]></category><dc:creator><![CDATA[kastiuz]]></dc:creator><pubDate>Thu, 07 Jun 2018 21:27:21 GMT</pubDate><enclosure url="https://images.ecency.com/p/C3TZR1g81UNaPs7vzNXHueW5ZM76DSHWEY7onmfLxcK2iQMqEgkeDb87UToyK31ZKh3ukvxkFgLytBfX8ZCAFtaaAtxePBLdtbC5o7YhXVixARhcLZ2Sf98?format=match&amp;mode=fit" length="0" type="false"/></item></channel></rss>