{"id":2796,"date":"2026-03-24T23:11:24","date_gmt":"2026-03-24T21:11:24","guid":{"rendered":"https:\/\/bio-me.bio\/?page_id=2796"},"modified":"2026-03-24T23:11:25","modified_gmt":"2026-03-24T21:11:25","slug":"sleep-duration-calculator","status":"publish","type":"page","link":"https:\/\/bio-me.bio\/?page_id=2796","title":{"rendered":"Sleep Duration Calculator"},"content":{"rendered":"\n<div class=\"eco-tool wp-block-group\" id=\"eco-tool-sleepdur-8e2b4\">\n  <div class=\"eco-tool__header\">\n    <h2 class=\"eco-tool__title\">Sleep Duration Calculator<\/h2>\n    <p class=\"eco-tool__lead\">\n      Estimate a practical sleep target based on age, activity level, sleep quality, and daily fatigue.\n    <\/p>\n  <\/div>\n\n  <form class=\"eco-tool__form\" id=\"eco-sleepdur-form-8e2b4\" novalidate>\n    <div class=\"eco-tool__grid3\">\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-sleepdur-age-8e2b4\">Age<\/label>\n        <input class=\"eco-tool__input\" id=\"eco-sleepdur-age-8e2b4\" type=\"number\" min=\"1\" max=\"120\" step=\"1\" value=\"30\" inputmode=\"numeric\" \/>\n        <div class=\"eco-tool__hint\">Age changes the broad recommended sleep range.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-sleepdur-activity-8e2b4\">Activity level<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-sleepdur-activity-8e2b4\">\n          <option value=\"low\" selected>Low activity<\/option>\n          <option value=\"moderate\">Moderately active<\/option>\n          <option value=\"high\">Very active \/ training<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Higher activity can slightly raise recovery needs.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-sleepdur-quality-8e2b4\">Recent sleep quality<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-sleepdur-quality-8e2b4\">\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 often means you need more recovery time.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-sleepdur-fatigue-8e2b4\">Daily fatigue<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-sleepdur-fatigue-8e2b4\">\n          <option value=\"low\" selected>Low<\/option>\n          <option value=\"moderate\">Moderate<\/option>\n          <option value=\"high\">High<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">Feeling heavily tired may suggest a higher sleep need.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-sleepdur-stress-8e2b4\">Stress level<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-sleepdur-stress-8e2b4\">\n          <option value=\"low\">Low<\/option>\n          <option value=\"moderate\" selected>Moderate<\/option>\n          <option value=\"high\">High<\/option>\n        <\/select>\n        <div class=\"eco-tool__hint\">High stress can increase recovery demand.<\/div>\n      <\/div>\n\n      <div class=\"eco-tool__field\">\n        <label class=\"eco-tool__label\" for=\"eco-sleepdur-display-8e2b4\">Display style<\/label>\n        <select class=\"eco-tool__input\" id=\"eco-sleepdur-display-8e2b4\">\n          <option value=\"simple\" selected>Simple range<\/option>\n          <option value=\"detailed\">Range + target point<\/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-sleepdur-calc-8e2b4\">Calculate<\/button>\n      <button type=\"button\" class=\"wp-element-button eco-tool__btn eco-tool__btn--ghost\" id=\"eco-sleepdur-reset-8e2b4\">Reset<\/button>\n      <div class=\"eco-tool__error\" id=\"eco-sleepdur-error-8e2b4\" aria-live=\"polite\"><\/div>\n    <\/div>\n  <\/form>\n\n  <div class=\"eco-tool__result\" id=\"eco-sleepdur-result-8e2b4\" 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 sleep duration<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"eco-sleepdur-value-8e2b4\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"eco-sleepdur-sub-8e2b4\"><\/div>\n      <\/div>\n\n      <div class=\"eco-tool__card\">\n        <div class=\"eco-tool__metric-label\">Recovery need<\/div>\n        <div class=\"eco-tool__metric-value\" id=\"eco-sleepdur-recovery-8e2b4\">\u2014<\/div>\n        <div class=\"eco-tool__metric-sub\" id=\"eco-sleepdur-recoverysub-8e2b4\"><\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"eco-tool__card eco-tool__card--wide\">\n      <div class=\"eco-tool__metric-label\">Interpretation<\/div>\n      <div class=\"eco-tool__metric-sub\" id=\"eco-sleepdur-note-8e2b4\"><\/div>\n    <\/div>\n\n    <p class=\"eco-tool__note\">\n      This is a practical sleep estimate, not a medical diagnosis. Real sleep needs vary with illness, training load, stress, and sleep debt.\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 start with a broad age-based sleep range, then adjust it slightly based on activity level, recent sleep quality, fatigue, and stress to suggest a practical nightly target.\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=\"8e2b4\";\n  const el=(id)=>document.getElementById(id+\"-\"+S);\n\n  const ageEl=el(\"eco-sleepdur-age\");\n  const activityEl=el(\"eco-sleepdur-activity\");\n  const qualityEl=el(\"eco-sleepdur-quality\");\n  const fatigueEl=el(\"eco-sleepdur-fatigue\");\n  const stressEl=el(\"eco-sleepdur-stress\");\n  const displayEl=el(\"eco-sleepdur-display\");\n\n  const resultEl=el(\"eco-sleepdur-result\");\n  const valueEl=el(\"eco-sleepdur-value\");\n  const subEl=el(\"eco-sleepdur-sub\");\n  const recoveryEl=el(\"eco-sleepdur-recovery\");\n  const recoverySubEl=el(\"eco-sleepdur-recoverysub\");\n  const noteEl=el(\"eco-sleepdur-note\");\n  const errorEl=el(\"eco-sleepdur-error\");\n\n  function setError(msg){ errorEl.textContent = msg || \"\"; }\n\n  function calculate(){\n    setError(\"\");\n\n    const age = Number(ageEl.value);\n    if(!Number.isFinite(age) || age < 1 || age > 120){\n      setError(\"Please enter a valid age.\");\n      resultEl.hidden = true;\n      return;\n    }\n\n    let low = 7, high = 9;\n\n    if(age < 6){ low = 10; high = 13; }\n    else if(age < 13){ low = 9; high = 11; }\n    else if(age < 18){ low = 8; high = 10; }\n    else if(age >= 65){ low = 7; high = 8.5; }\n\n    if(activityEl.value === \"moderate\"){ high += 0.3; }\n    if(activityEl.value === \"high\"){ high += 0.7; }\n\n    if(qualityEl.value === \"okay\"){ high += 0.3; }\n    if(qualityEl.value === \"poor\"){ high += 0.8; }\n\n    if(fatigueEl.value === \"moderate\"){ high += 0.3; }\n    if(fatigueEl.value === \"high\"){ high += 0.7; }\n\n    if(stressEl.value === \"moderate\"){ high += 0.2; }\n    if(stressEl.value === \"high\"){ high += 0.5; }\n\n    const target = ((low + high) \/ 2);\n\n    valueEl.textContent = `${low.toFixed(1)}\u2013${high.toFixed(1)} h`;\n    subEl.textContent = displayEl.value === \"detailed\"\n      ? `Practical target point: about ${target.toFixed(1)} hours.`\n      : `Suggested nightly range based on the selected inputs.`;\n\n    let recovery = \"Baseline\";\n    if(high >= 10 || fatigueEl.value === \"high\" || qualityEl.value === \"poor\") recovery = \"Higher recovery need\";\n    else if(activityEl.value === \"moderate\" || stressEl.value === \"moderate\") recovery = \"Moderate recovery need\";\n\n    recoveryEl.textContent = recovery;\n    recoverySubEl.textContent = `Based on recent sleep quality, activity, fatigue, and stress.`;\n\n    let note = \"This estimate gives a practical nightly target rather than an exact rule. \";\n    if(qualityEl.value === \"poor\"){\n      note += \"Because recent sleep quality is lower, your recovery need may be a bit higher than usual. \";\n    } else if(activityEl.value === \"high\"){\n      note += \"Higher training or activity can push your useful sleep target upward. \";\n    } else {\n      note += \"A steady bedtime routine often matters as much as total hours. \";\n    }\n\n    if(stressEl.value === \"high\"){\n      note += \"Higher stress can make sleep feel less restorative even when total time looks adequate.\";\n    }\n\n    noteEl.textContent = note;\n    resultEl.hidden = false;\n  }\n\n  function reset(){\n    setError(\"\");\n    ageEl.value = \"30\";\n    activityEl.value = \"low\";\n    qualityEl.value = \"good\";\n    fatigueEl.value = \"low\";\n    stressEl.value = \"moderate\";\n    displayEl.value = \"simple\";\n    resultEl.hidden = true;\n  }\n\n  el(\"eco-sleepdur-calc\").addEventListener(\"click\", calculate);\n  el(\"eco-sleepdur-reset\").addEventListener(\"click\", reset);\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Sleep Duration Calculator Estimate a practical sleep target based on age, activity level, sleep quality, and daily fatigue. Age Age changes the broad recommended sleep range. Activity level Low activityModerately&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\/2796"}],"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=2796"}],"version-history":[{"count":1,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2796\/revisions"}],"predecessor-version":[{"id":2797,"href":"https:\/\/bio-me.bio\/index.php?rest_route=\/wp\/v2\/pages\/2796\/revisions\/2797"}],"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=2796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}