{"id":48086,"date":"2026-10-26T04:24:18","date_gmt":"2026-10-26T04:24:18","guid":{"rendered":"https:\/\/www.worldclock.com\/may-tinh-gio-ngu\/"},"modified":"2026-10-26T04:24:18","modified_gmt":"2026-10-26T04:24:18","slug":"may-tinh-gio-ngu","status":"publish","type":"page","link":"https:\/\/www.worldclock.com\/vi\/may-tinh-gio-ngu\/","title":{"rendered":"M\u00e1y t\u00ednh gi\u1edd ng\u1ee7 \u2013 Khi n\u00e0o n\u00ean \u0111i ng\u1ee7"},"content":{"rendered":"<div class=\"wc wc-tool-page wc-tool-page--sleep\"><header class=\"wc-thero\"><div class=\"wc-thero__text\"><nav class=\"wc-crumbs\" aria-label=\"Breadcrumb\"><ol><li><a href=\"https:\/\/www.worldclock.com\/vi\/\">\u0110\u1ed3ng h\u1ed3 th\u1ebf gi\u1edbi<\/a><\/li><li><a href=\"https:\/\/www.worldclock.com\/vi\/cong-cu\/\">C\u00f4ng c\u1ee5 th\u1eddi gian<\/a><\/li><li><span aria-current=\"page\">M\u00e1y t\u00ednh gi\u1edd ng\u1ee7 \u2013 Khi n\u00e0o n\u00ean \u0111i ng\u1ee7<\/span><\/li><\/ol><\/nav><p class=\"wc-eyebrow\"><span aria-hidden=\"true\">\ud83d\ude34<\/span> C\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed<\/p><h1 class=\"wc-thero__title\">M\u00e1y t\u00ednh gi\u1edd ng\u1ee7 \u2013 Khi n\u00e0o n\u00ean \u0111i ng\u1ee7<\/h1><p class=\"wc-thero__lead\">T\u00ecm gi\u1edd \u0111i ng\u1ee7 ho\u1eb7c th\u1ee9c d\u1eady t\u1ed1t nh\u1ea5t d\u1ef1a tr\u00ean chu k\u1ef3 ng\u1ee7 90 ph\u00fat, \u0111\u1ec3 b\u1ea1n th\u1ee9c d\u1eady gi\u1eefa c\u00e1c chu k\u1ef3 thay v\u00ec trong l\u00fac ng\u1ee7 s\u00e2u.<\/p><\/div><\/header><div class=\"wc-tool\"><div class=\"wc-sleep\" data-wc-tool=\"sleep\"><div class=\"wc-sleep__grid\"><div class=\"wc-sleep__box\"><h2>T\u00f4i mu\u1ed1n th\u1ee9c d\u1eady l\u00fac<\/h2><div class=\"wc-tbar\"><label class=\"wc-field\"><span>Gi\u1edd th\u1ee9c d\u1eady<\/span><input type=\"time\" value=\"07:00\" data-wake><\/label><button type=\"button\" class=\"wc-btn\" data-calc-bed>T\u00ecm gi\u1edd \u0111i ng\u1ee7<\/button><\/div><div data-beds><\/div><\/div><div class=\"wc-sleep__box\"><h2>T\u00f4i s\u1ebd \u0111i ng\u1ee7 l\u00fac<\/h2><div class=\"wc-tbar\"><label class=\"wc-field\"><span>Gi\u1edd \u0111i ng\u1ee7<\/span><input type=\"time\" value=\"23:00\" data-bed><\/label><button type=\"button\" class=\"wc-btn\" data-calc-wake>T\u00ecm gi\u1edd th\u1ee9c d\u1eady<\/button><button type=\"button\" class=\"wc-btn wc-btn--ghost\" data-now>\ud83d\ude34 \u0110i ng\u1ee7 ngay b\u00e2y gi\u1edd<\/button><\/div><div data-wakes><\/div><\/div><\/div><p class=\"wc-tnote\">Th\u1eddi gian \u0111\u00e3 bao g\u1ed3m kho\u1ea3ng 14 ph\u00fat \u0111\u1ec3 ch\u00ecm v\u00e0o gi\u1ea5c ng\u1ee7. \u0110i\u1ec1u ch\u1ec9nh: <label><input type=\"number\" min=\"0\" max=\"60\" value=\"14\" data-fall> ph\u00fat<\/label>.<\/p><\/div><\/div><section class=\"wc-section wc-tool-info\"><div class=\"wc-prose\"><h2>V\u00ec sao chu k\u1ef3 gi\u1ea5c ng\u1ee7 quan tr\u1ecdng<\/h2><p>Trong \u0111\u00eam, b\u1ea1n tr\u1ea3i qua c\u00e1c chu k\u1ef3 ng\u1ee7 n\u00f4ng, ng\u1ee7 s\u00e2u v\u00e0 ng\u1ee7 REM, m\u1ed7i chu k\u1ef3 k\u00e9o d\u00e0i kho\u1ea3ng 90 ph\u00fat. Th\u1ee9c d\u1eady v\u00e0o cu\u1ed1i m\u1ed9t chu k\u1ef3, khi gi\u1ea5c ng\u1ee7 n\u00f4ng nh\u1ea5t, th\u01b0\u1eddng d\u1ec5 ch\u1ecbu h\u01a1n nhi\u1ec1u so v\u1edbi b\u1ecb \u0111\u00e1nh th\u1ee9c gi\u1eefa gi\u1ea5c ng\u1ee7 s\u00e2u \u2013 k\u1ec3 c\u1ea3 khi b\u1ea1n ng\u1ee7 \u00edt h\u01a1n.<\/p><p>Ph\u1ea7n l\u1edbn ng\u01b0\u1eddi tr\u01b0\u1edfng th\u00e0nh c\u1ea7n 7\u20139 gi\u1edd ng\u1ee7, t\u1ee9c n\u0103m ho\u1eb7c s\u00e1u chu k\u1ef3 tr\u1ecdn v\u1eb9n. C\u00e1c m\u1ed1c gi\u1edd g\u1ee3i \u00fd \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u \u2605 mang l\u1ea1i th\u1eddi l\u01b0\u1ee3ng ng\u1ee7 l\u00e0nh m\u1ea1nh nh\u1ea5t. \u0110\u1ed9 d\u00e0i chu k\u1ef3 kh\u00e1c nhau \u1edf m\u1ed7i ng\u01b0\u1eddi, n\u00ean h\u00e3y coi c\u00e1c m\u1ed1c gi\u1edd n\u00e0y l\u00e0 tham kh\u1ea3o v\u00e0 \u0111i\u1ec1u ch\u1ec9nh 10\u201315 ph\u00fat n\u1ebfu b\u1ea1n v\u1eabn th\u1ea5y u\u1ec3 o\u1ea3i khi th\u1ee9c d\u1eady.<\/p><\/div><\/section><section class=\"wc-section wc-faq\"><h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2><details><summary>M\u1ed9t chu k\u1ef3 gi\u1ea5c ng\u1ee7 k\u00e9o d\u00e0i bao l\u00e2u?<\/summary><p>M\u1ed9t chu k\u1ef3 gi\u1ea5c ng\u1ee7 tr\u1ecdn v\u1eb9n k\u00e9o d\u00e0i trung b\u00ecnh kho\u1ea3ng 90 ph\u00fat, d\u00f9 c\u00f3 th\u1ec3 dao \u0111\u1ed9ng t\u1eeb kho\u1ea3ng 70 \u0111\u1ebfn 120 ph\u00fat. Ph\u1ea7n l\u1edbn m\u1ecdi ng\u01b0\u1eddi tr\u1ea3i qua b\u1ed1n \u0111\u1ebfn s\u00e1u chu k\u1ef3 m\u1ed7i \u0111\u00eam.<\/p><\/details><details><summary>T\u00f4i n\u00ean \u0111i ng\u1ee7 l\u00fac m\u1ea5y gi\u1edd \u0111\u1ec3 th\u1ee9c d\u1eady l\u00fac 7 gi\u1edd s\u00e1ng?<\/summary><p>\u0110\u1ec3 ng\u1ee7 \u0111\u1ee7 s\u00e1u chu k\u1ef3, h\u00e3y \u0111i ng\u1ee7 kho\u1ea3ng 21:46; \u0111\u1ec3 ng\u1ee7 n\u0103m chu k\u1ef3, kho\u1ea3ng 23:16 \u2013 c\u1ea3 hai \u0111\u1ec1u \u0111\u00e3 t\u00ednh kho\u1ea3ng 14 ph\u00fat \u0111\u1ec3 ch\u00ecm v\u00e0o gi\u1ea5c ng\u1ee7.<\/p><\/details><\/section><section class=\"wc-section wc-tools-grid\"><div class=\"wc-section__head\"><h2>Th\u00eam c\u00f4ng c\u1ee5 th\u1eddi gian mi\u1ec5n ph\u00ed<\/h2><a href=\"https:\/\/www.worldclock.com\/vi\/cong-cu\/\">T\u1ea5t c\u1ea3 c\u00f4ng c\u1ee5 \u2192<\/a><\/div><div class=\"wc-toolcards\"><a class=\"wc-toolcard wc-toolcard--hours\" href=\"https:\/\/www.worldclock.com\/vi\/tinh-so-gio\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\u231b<\/span><span class=\"wc-toolcard__name\">M\u00e1y t\u00ednh s\u1ed1 gi\u1edd<\/span><span class=\"wc-toolcard__desc\">S\u1ed1 gi\u1edd gi\u1eefa hai m\u1ed1c gi\u1edd.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--timecard\" href=\"https:\/\/www.worldclock.com\/vi\/tinh-gio-cham-cong\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\uddc2\ufe0f<\/span><span class=\"wc-toolcard__name\">M\u00e1y t\u00ednh ch\u1ea5m c\u00f4ng<\/span><span class=\"wc-toolcard__desc\">Gi\u1edd l\u00e0m trong tu\u1ea7n, l\u00e0m th\u00eam &amp; ti\u1ec1n c\u00f4ng.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--decimal\" href=\"https:\/\/www.worldclock.com\/vi\/doi-gio-thap-phan\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udd22<\/span><span class=\"wc-toolcard__name\">\u0110\u1ed5i gi\u1edd th\u1eadp ph\u00e2n<\/span><span class=\"wc-toolcard__desc\">Gi\u1edd:ph\u00fat \u21c4 th\u1eadp ph\u00e2n.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--pomodoro\" href=\"https:\/\/www.worldclock.com\/vi\/hen-gio-pomodoro\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83c\udf45<\/span><span class=\"wc-toolcard__name\">H\u1eb9n gi\u1edd Pomodoro<\/span><span class=\"wc-toolcard__desc\">Phi\u00ean t\u1eadp trung 25 ph\u00fat.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--jetlag\" href=\"https:\/\/www.worldclock.com\/vi\/tinh-jet-lag\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\u2708\ufe0f<\/span><span class=\"wc-toolcard__name\">T\u00ednh jet lag<\/span><span class=\"wc-toolcard__desc\">K\u1ebf ho\u1ea1ch c\u00e1 nh\u00e2n \u0111\u1ec3 v\u01b0\u1ee3t qua jet lag.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--markets\" href=\"https:\/\/www.worldclock.com\/vi\/gio-giao-dich-chung-khoan\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udcc8<\/span><span class=\"wc-toolcard__name\">Gi\u1edd giao d\u1ecbch ch\u1ee9ng kho\u00e1n &amp; gi\u1edd l\u00e0m vi\u1ec7c<\/span><span class=\"wc-toolcard__desc\">Th\u1ecb tr\u01b0\u1eddng c\u00f3 \u0111ang m\u1edf c\u1eeda kh\u00f4ng?<\/span><\/a><a class=\"wc-toolcard wc-toolcard--bell\" href=\"https:\/\/www.worldclock.com\/vi\/dem-nguoc-thi-truong-chung-khoan\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udd14<\/span><span class=\"wc-toolcard__name\">\u0110\u1ebfm ng\u01b0\u1ee3c gi\u1edd m\u1edf c\u1eeda th\u1ecb tr\u01b0\u1eddng<\/span><span class=\"wc-toolcard__desc\">\u0110\u1ebfm ng\u01b0\u1ee3c \u0111\u1ebfn chu\u00f4ng m\u1edf c\u1eeda.<\/span><\/a><a class=\"wc-toolcard wc-toolcard--converter\" href=\"https:\/\/www.worldclock.com\/vi\/doi-mui-gio-2\/\"><span class=\"wc-toolcard__icon\" aria-hidden=\"true\">\ud83d\udd01<\/span><span class=\"wc-toolcard__name\">\u0110\u1ed5i m\u00fai gi\u1edd<\/span><span class=\"wc-toolcard__desc\">Quy \u0111\u1ed5i gi\u1edd gi\u1eefa m\u1ecdi th\u00e0nh ph\u1ed1.<\/span><\/a><\/div><\/section><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":"","bs_cache_bypass_cache":0,"bs_cache_related_page":0},"class_list":["post-48086","page","type-page","status-publish","hentry"],"acf":[],"taxonomy_info":[],"featured_image_src_large":false,"author_info":{"display_name":"clocker","author_link":"https:\/\/www.worldclock.com\/vi\/author\/clocker\/"},"comment_info":"","_links":{"self":[{"href":"https:\/\/www.worldclock.com\/vi\/wp-json\/wp\/v2\/pages\/48086","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.worldclock.com\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.worldclock.com\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.worldclock.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.worldclock.com\/vi\/wp-json\/wp\/v2\/comments?post=48086"}],"version-history":[{"count":0,"href":"https:\/\/www.worldclock.com\/vi\/wp-json\/wp\/v2\/pages\/48086\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.worldclock.com\/vi\/wp-json\/wp\/v2\/media?parent=48086"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}