{"id":2800,"date":"2026-03-24T23:15:49","date_gmt":"2026-03-24T21:15:49","guid":{"rendered":"https:\/\/bio-me.bio\/?page_id=2800"},"modified":"2026-03-24T23:15:51","modified_gmt":"2026-03-24T21:15:51","slug":"wake-up-time-calculator","status":"publish","type":"page","link":"https:\/\/bio-me.bio\/?page_id=2800","title":{"rendered":"Wake-Up Time Calculator"},"content":{"rendered":"\n<div class=\"eco-tool wp-block-group\" id=\"eco-tool-wakeup-4f2c9\">\n  <div class=\"eco-tool__header\">\n    <h2 class=\"eco-tool__title\">Wake-Up Time Calculator<\/h2>\n    <p class=\"eco-tool__lead\">\n      Estimate the best wake-up time based on when you go to bed, how long you take to fall asleep, and full 90-minute sleep cycles.\n    <\/p>\n  <\/div>\n\n  <form class=\"eco-tool__form\" id=\"eco-wakeup-form-4f2c9\" novalidate>\n    <div class=\"eco-tool__grid3\">\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-wakeup-bed-4f2c9\">Bedtime<\/label>\n        <input class=\"eco-tool__input\" id=\"eco-wakeup-bed-4f2c9\" type=\"time\" value=\"23:00\" \/>\n        <div class=\"eco-tool__hint\">Enter the time you plan to get into bed.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-wakeup-fall-4f2c9\">Time to fall asleep<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-wakeup-fall-4f2c9\">\n          <option value=\"10\">About 10 min<\/option>\n          <option value=\"15\" selected>About 15 min<\/option>\n          <option value=\"20\">About 20 min<\/option>\n          <option value=\"30\">About 30 min<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">This helps estimate when sleep actually begins.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-wakeup-goal-4f2c9\">Sleep goal<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-wakeup-goal-4f2c9\">\n          <option value=\"minimum\">Minimum functional sleep<\/option>\n          <option value=\"recommended\" selected>Recommended sleep<\/option>\n          <option value=\"recovery\">Recovery-focused sleep<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Choose the kind of wake-up target you want.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-wakeup-age-4f2c9\">Age group<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-wakeup-age-4f2c9\">\n          <option value=\"adult\" selected>Adult<\/option>\n          <option value=\"teen\">Teen<\/option>\n          <option value=\"older\">Older adult<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Age slightly affects the sleep-cycle recommendation.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-wakeup-quality-4f2c9\">Recent sleep quality<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-wakeup-quality-4f2c9\">\n          <option value=\"good\" selected>Good<\/option>\n          <option value=\"okay\">Okay<\/option>\n          <option value=\"poor\">Poor<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Poor recent sleep may make a later wake-up more useful.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-wakeup-display-4f2c9\">Display style<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-wakeup-display-4f2c9\">\n          <option value=\"best\" selected>Best wake-up time only<\/option>\n          <option value=\"options\">Show cycle options<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Choose a simpler or more detailed result.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"eco-tool__actions\">\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn\" id=\"eco-wakeup-calc-4f2c9\">Calculate<\/button>\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn eco-tool__btn--ghost\" id=\"eco-wakeup-reset-4f2c9\">Reset<\/button>\n      <div class=\"eco-tool__error\" id=\"eco-wakeup-error-4f2c9\" aria-live=\"polite\"><\/div>\n    <\/div>\n  <\/form>\n\n  <div class=\"eco-tool__result\" id=\"eco-wakeup-result-4f2c9\" hidden>\n    <h3 class=\"eco-tool__subtitle\">Result<\/h3>\n\n    <div class=\"eco-tool__cards\">\n      <div class=\"eco-tool__card\">\n        <div class=\"eco-tool__metric-label\">Suggested wake-up time<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"eco-wakeup-value-4f2c9\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"eco-wakeup-sub-4f2c9\"><\/div>\n      <\/div>\n\n      <div class=\"eco-tool__card\">\n        <div class=\"eco-tool__metric-label\">Estimated sleep duration<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"eco-wakeup-duration-4f2c9\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"eco-wakeup-durationsub-4f2c9\"><\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"eco-tool__card eco-tool__card--wide\">\n      <div class=\"eco-tool__metric-label\">Sleep cycle options<\/div>\n      <div class=\"eco-tool__metric-sub\" id=\"eco-wakeup-note-4f2c9\"><\/div>\n    <\/div>\n\n    <p class=\"eco-tool__note\">\n      This is a practical sleep-planning tool, not a medical assessment. Sleep quality depends on routine, stress, light, caffeine, and overall sleep hygiene \u2014 not just cycle timing.\n    <\/p>\n  <\/div>\n\n  <details class=\"eco-tool__details\">\n    <summary class=\"eco-tool__summary\">How we calculate<\/summary>\n    <div class=\"eco-tool__details-body\">\n      <p class=\"eco-tool__text\">\n        We estimate when sleep actually begins by adding your selected time to fall asleep, then add 90-minute sleep cycles to suggest a practical wake-up time.\n      <\/p>\n    <\/div>\n  <\/details>\n<\/div>\n\n<style>\n.eco-tool{border:1px solid rgba(0,0,0,.12);border-radius:12px;padding:16px}\n.eco-tool__header{margin-bottom:12px}\n.eco-tool__title{margin:0 0 8px}\n.eco-tool__lead{margin:0;opacity:.9}\n.eco-tool__form{margin-top:12px}\n.eco-tool__grid3{display:grid;grid-template-columns:1fr;gap:16px}\n@media (min-width:860px){.eco-tool__grid3{grid-template-columns:1fr 1fr 1fr}}\n.eco-tool__field{display:flex;flex-direction:column;gap:6px}\n.eco-tool__label{font-weight:600}\n.eco-tool__input{width:100%;height:44px;padding:0 12px;border:1px solid rgba(0,0,0,.20);border-radius:10px;background:#fff;box-sizing:border-box;font:inherit}\n.eco-tool select.eco-tool__input{\n  appearance:none;-webkit-appearance:none;line-height:44px;padding-right:40px;\n  background-image:\n    linear-gradient(45deg, transparent 50%, rgba(0,0,0,.60) 50%),\n    linear-gradient(135deg, rgba(0,0,0,.60) 50%, transparent 50%);\n  background-position:calc(100% - 18px) 50%, calc(100% - 12px) 50%;\n  background-size:6px 6px;background-repeat:no-repeat\n}\n.eco-tool__hint{font-size:.92em;opacity:.78;min-height:38px}\n.eco-tool__actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:16px}\n.eco-tool__btn{padding:10px 22px}\n.eco-tool__btn--ghost{background:transparent!important;border:1px solid rgba(0,0,0,.20)!important}\n.eco-tool__btn--ghost:hover,.eco-tool__btn--ghost:focus{background:rgba(0,0,0,.06)!important;border-color:rgba(0,0,0,.35)!important}\n.eco-tool__error{min-height:1.2em;font-weight:600;flex:1 1 240px}\n.eco-tool__result{margin-top:16px}\n.eco-tool__subtitle{margin:0 0 10px}\n.eco-tool__cards{display:grid;gap:10px;grid-template-columns:1fr}\n@media (min-width:860px){.eco-tool__cards{grid-template-columns:1fr 1fr}}\n.eco-tool__card{border:1px solid rgba(0,0,0,.12);border-radius:12px;padding:12px}\n.eco-tool__card--wide{margin-top:10px}\n.eco-tool__metric-label{opacity:.85;font-weight:600}\n.eco-tool__metric-value{font-size:1.6em;font-weight:800;margin-top:6px;line-height:1.1}\n.eco-tool__metric-sub{opacity:.85;margin-top:6px}\n.eco-tool__note{margin:10px 0 0;opacity:.9}\n.eco-tool__details{margin-top:14px}\n.eco-tool__summary{cursor:pointer;font-weight:700}\n.eco-tool__details-body{margin-top:10px}\n.eco-tool__text{margin:0 0 10px}\n<\/style>\n\n<script>\n(function(){\n  const S=\"4f2c9\";\n  const el=(id)=>document.getElementById(id+\"-\"+S);\n\n  const bedEl=el(\"eco-wakeup-bed\");\n  const fallEl=el(\"eco-wakeup-fall\");\n  const goalEl=el(\"eco-wakeup-goal\");\n  const ageEl=el(\"eco-wakeup-age\");\n  const qualityEl=el(\"eco-wakeup-quality\");\n  const displayEl=el(\"eco-wakeup-display\");\n\n  const resultEl=el(\"eco-wakeup-result\");\n  const valueEl=el(\"eco-wakeup-value\");\n  const subEl=el(\"eco-wakeup-sub\");\n  const durationEl=el(\"eco-wakeup-duration\");\n  const durationSubEl=el(\"eco-wakeup-durationsub\");\n  const noteEl=el(\"eco-wakeup-note\");\n  const errorEl=el(\"eco-wakeup-error\");\n\n  function setError(msg){ errorEl.textContent = msg || \"\"; }\n\n  function timeToMinutes(str){\n    const parts = String(str).split(\":\");\n    if(parts.length !== 2) return null;\n    const h = Number(parts[0]);\n    const m = Number(parts[1]);\n    if(!Number.isFinite(h) || !Number.isFinite(m)) return null;\n    return h * 60 + m;\n  }\n\n  function minutesToTime(mins){\n    mins = ((mins % 1440) + 1440) % 1440;\n    const h = Math.floor(mins \/ 60);\n    const m = mins % 60;\n    return `${String(h).padStart(2,\"0\")}:${String(m).padStart(2,\"0\")}`;\n  }\n\n  function calculate(){\n    setError(\"\");\n\n    const bed = timeToMinutes(bedEl.value);\n    const fall = Number(fallEl.value);\n\n    if(bed === null){\n      setError(\"Please enter a valid bedtime.\");\n      resultEl.hidden = true;\n      return;\n    }\n\n    let cycles = 5;\n    if(goalEl.value === \"minimum\") cycles = 4;\n    if(goalEl.value === \"recommended\") cycles = 5;\n    if(goalEl.value === \"recovery\") cycles = 6;\n\n    if(ageEl.value === \"teen\") cycles += 1;\n    if(ageEl.value === \"older\" && goalEl.value !== \"minimum\") cycles -= 0.5;\n    if(qualityEl.value === \"poor\") cycles += 0.5;\n\n    const sleepStart = bed + fall;\n    const wake = sleepStart + (cycles * 90);\n    const sleepHours = (cycles * 90) \/ 60;\n\n    valueEl.textContent = minutesToTime(wake);\n    subEl.textContent = `Estimated wake-up time after getting into bed at ${minutesToTime(bed)}.`;\n\n    durationEl.textContent = `${sleepHours.toFixed(1)} h`;\n    durationSubEl.textContent = `Based on about ${cycles.toFixed(1)} sleep cycles plus ${fall} min to fall asleep.`;\n\n    const options = [];\n    for(let c = 4; c <= 6; c++){\n      options.push(`${c} cycles: ${minutesToTime(sleepStart + (c * 90))}`);\n    }\n\n    if(displayEl.value === \"options\"){\n      noteEl.textContent = options.join(\" \u2022 \");\n    } else {\n      noteEl.textContent = \"Try to keep wake-up time consistent across most days to support a steadier sleep rhythm.\";\n    }\n\n    resultEl.hidden = false;\n  }\n\n  function reset(){\n    setError(\"\");\n    bedEl.value = \"23:00\";\n    fallEl.value = \"15\";\n    goalEl.value = \"recommended\";\n    ageEl.value = \"adult\";\n    qualityEl.value = \"good\";\n    displayEl.value = \"best\";\n    resultEl.hidden = true;\n  }\n\n  el(\"eco-wakeup-calc\").addEventListener(\"click\", calculate);\n  el(\"eco-wakeup-reset\").addEventListener(\"click\", reset);\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Wake-Up Time Calculator Estimate the best wake-up time based on when you go to bed, how long you take to fall asleep, and full 90-minute sleep cycles. Bedtime Enter the&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":2452,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"_links":{"self":[{"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2800"}],"collection":[{"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/bio-me.bio\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2800"}],"version-history":[{"count":1,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2800\/revisions"}],"predecessor-version":[{"id":2801,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2800\/revisions\/2801"}],"up":[{"embeddable":true,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2452"}],"wp:attachment":[{"href":"https:\/\/bio-me.bio\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}