<?xml version="1.0"?>
<oembed><version>1.0</version><provider_name>brain-trainer.com</provider_name><provider_url>https://brain-trainer.com/es/</provider_url><author_name>Rah</author_name><author_url>https://brain-trainer.com/es/blog/author/deborah/</author_url><title>Sleep - brain-trainer.com</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content" data-secret="QFXpjnIi3B"&gt;&lt;a href="https://brain-trainer.com/es/answer/sleep/"&gt;Sleep&lt;/a&gt;&lt;/blockquote&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://brain-trainer.com/es/answer/sleep/embed/#?secret=QFXpjnIi3B" width="600" height="338" title="&#xAB;Sleep&#xBB; &#x2014; brain-trainer.com" data-secret="QFXpjnIi3B" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;&lt;script type="text/javascript"&gt;
/* &lt;![CDATA[ */
/*! This file is auto-generated */
!function(d,l){"use strict";l.querySelector&amp;&amp;d.addEventListener&amp;&amp;"undefined"!=typeof URL&amp;&amp;(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&amp;&amp;!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i&lt;o.length;i++)o[i].style.display="none";for(i=0;i&lt;a.length;i++)s=a[i],e.source===s.contentWindow&amp;&amp;(s.removeAttribute("style"),"height"===t.message?(1e3&lt;(r=parseInt(t.value,10))?r=1e3:~~r&lt;200&amp;&amp;(r=200),s.height=r):"link"===t.message&amp;&amp;(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&amp;&amp;n.host===r.host&amp;&amp;l.activeElement===s&amp;&amp;(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r&lt;s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document);
/* ]]&gt; */
&lt;/script&gt;
</html><description>The amount of sleep you require seems to be related to your ability to get into and process through five REM cycles per night. The more high beta, the less beta, or the more alpha intrusions, etc. you have, the harder it is to complete this, so the brain doesn&#x2019;t get to do its psychological [&hellip;]</description></oembed>
