{"id":581,"date":"2013-01-22T09:03:00","date_gmt":"2013-01-22T08:03:00","guid":{"rendered":"https:\/\/kids.esa.int\/restless_sleep_on_the_way_to_mars\/"},"modified":"2026-10-08T00:29:53","modified_gmt":"2026-10-07T22:29:53","slug":"restless_sleep_on_the_way_to_mars","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fi\/restless_sleep_on_the_way_to_mars\/","title":{"rendered":"Levoton uni matkalla Marsiin"},"content":{"rendered":"<div class=\"lede\">\n<p>Kun ihmiset lopulta matkustavat Marsiin, heit\u00e4 odottaa poikkeuksellinen matka. Tutkijat ovat analysoineet, mit\u00e4 tapahtui vuosina 2010\u20132011 toteutetun Mars500-simulaatiolennon aikana, mink\u00e4 ansiosta heill\u00e4 on nyt paljon parempi k\u00e4sitys henkisist\u00e4 ja fyysisist\u00e4 ongelmista, joita Mars-lennolla saattaa ilmet\u00e4.<\/p>\n<\/div>\n<p>Kuuden \u2018marsonautin\u2019 miehist\u00f6 oli suljettuna simuloituun avaruusalukseen Moskovan l\u00e4hell\u00e4 Ven\u00e4j\u00e4ll\u00e4 520 p\u00e4iv\u00e4n ajan. Se tarkoittaa l\u00e4hes puolitoista vuotta suljettuna olemista! T\u00e4m\u00e4 on aika, joka kuluu matkaan Marsiin ja takaisin, plus 30 p\u00e4iv\u00e4\u00e4 sen pinnan tutkimiseen. \u2018Teht\u00e4v\u00e4ns\u00e4\u2019 aikana miehist\u00f6 eli eristyksiss\u00e4 ilman tuoretta ruokaa, auringonvaloa tai raitista ilmaa. Tutkimus osoitti, ett\u00e4 jokainen yksityiskohta on suunniteltava huolellisesti, mukaan lukien ruokavalio ja uni.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"650\" data-credit=\"ZWMB, Charit\u00e9 Berlin\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2013\/01\/Sleep_study\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2013\/01\/sleep_study\/17904676-2-eng-GB\/Sleep_study.jpg\" alt=\"Sleep study\"><figcaption>Unitutkimus<\/figcaption><\/figure>\n<p>Koska vapaaehtoiset eiv\u00e4t n\u00e4hneet aurinkoa taivaalla, heid\u00e4n oli l\u00f6ydett\u00e4v\u00e4 muita tapoja s\u00e4\u00e4nnell\u00e4 unirytmi\u00e4\u00e4n, kuten katsomalla kelloa tai pyyt\u00e4m\u00e4ll\u00e4 muita miehist\u00f6n j\u00e4seni\u00e4 her\u00e4tt\u00e4m\u00e4\u00e4n heid\u00e4t. Ongelmia syntyi siit\u00e4, ett\u00e4 miehist\u00f6n j\u00e4senet nukuivat eri aikoina.<\/p>\n<p>ESA:n tutkijat jatkavat tutkimuksiaan siit\u00e4, miten saada hyv\u00e4 y\u00f6uni. ESA:n astronautti Luca Parmitano mittaa uneen liittyvi\u00e4 hormoneja t\u00e4m\u00e4n vuoden kuuden kuukauden mittaisen oleskelunsa aikana Kansainv\u00e4lisell\u00e4 avaruusasemalla. Lis\u00e4ksi tutkitaan Antarktiksen Concordia-tutkimusasemalla asuvien ihmisten unirytmi\u00e4 pitk\u00e4n ja pime\u00e4n napatalven aikana.<\/p>\n<p>Muut yll\u00e4tt\u00e4v\u00e4t havainnot Mars-simulaatiomissiosta osoittavat, ett\u00e4 kehomme ei ime ja poista suolaa jatkuvasti. N\u00e4ytt\u00e4\u00e4 silt\u00e4, ett\u00e4 munuaisemme k\u00e4sittelev\u00e4t suolaa viikoittaisessa sykliss\u00e4, ja joillakin p\u00e4ivill\u00e4 ne ty\u00f6skentelev\u00e4t suolan poistamiseksi kovemmin kuin toisina. N\u00e4m\u00e4 havainnot hy\u00f6dytt\u00e4v\u00e4t paitsi avaruudessa olevia astronautteja my\u00f6s kaikkia maapallolla asuvia, jotka tekev\u00e4t ep\u00e4s\u00e4\u00e4nn\u00f6llisi\u00e4 ty\u00f6vuoroja, k\u00e4rsiv\u00e4t unih\u00e4iri\u00f6ist\u00e4 tai suolaan liittyv\u00e4st\u00e4 korkeasta verenpaineesta.<\/p>","protected":false},"excerpt":{"rendered":"<p>When humans eventually travel to Mars, they will face an exceptional journey. Scientists have analysed what happened during the simulated Mars500 mission of 2010-2011, giving them a much better idea [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2013\/01\/simulated_marswalk\/17901531-2-eng-GB\/Simulated_Marswalk.jpg","esa_banner_description":"Simulated Marswalk","esa_banner_credit":"ESA\/IBMP","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2013\/01\/Simulated_Marswalk","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[10,13,63],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-581","post","type-post","status-publish","format-standard","hentry","category-learn","category-life-in-space","category-living-in-space"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/581","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/comments?post=581"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/581\/revisions"}],"predecessor-version":[{"id":4560,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/posts\/581\/revisions\/4560"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/media?parent=581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/categories?post=581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/tags?post=581"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/panel?post=581"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/language?post=581"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/age?post=581"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/duration?post=581"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/resource_type?post=581"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/audience?post=581"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fi\/wp-json\/wp\/v2\/wf_post_folders?post=581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}