{"id":"https://openalex.org/W618370593","doi":null,"title":"M\u00e4tmetoder av s\u00f6mnighet","display_name":"M\u00e4tmetoder av s\u00f6mnighet","publication_year":2006,"publication_date":"2006-01-01","ids":{"openalex":"https://openalex.org/W618370593","mag":"618370593"},"language":"sv","primary_location":{"id":"mag:618370593","doi":null,"is_oa":false,"landing_page_url":"http://www.diva-portal.org/smash/record.jsf?pid=diva2:118788","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101890989","display_name":"Johannes van den Berg","orcid":"https://orcid.org/0000-0003-1816-4305","observed_orcids":["https://orcid.org/0000-0003-1816-4305"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Johannes van den Berg","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-1816-4305","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5023502784","display_name":"Ulf Landstr\u00f6m","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ulf Landstr\u00f6m","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10316","display_name":"Sleep and related disorders","score":0.9340999722480774,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10316","display_name":"Sleep and related disorders","score":0.9340999722480774,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11373","display_name":"Sleep and Work-Related Fatigue","score":0.0544000007212162,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10342","display_name":"Circadian rhythm and melatonin","score":0.003100000089034438,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/sleepiness","display_name":"sleepiness","score":0.828000009059906}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3690181374549866}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:618370593","doi":null,"is_oa":false,"landing_page_url":"http://www.diva-portal.org/smash/record.jsf?pid=diva2:118788","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.504800021648407,"display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W80121370","https://openalex.org/W193715454","https://openalex.org/W1595235424","https://openalex.org/W1725507402","https://openalex.org/W1899217221","https://openalex.org/W1989068322","https://openalex.org/W1993896698","https://openalex.org/W1998000455","https://openalex.org/W2007105041","https://openalex.org/W2012536528","https://openalex.org/W2012574016","https://openalex.org/W2053200890","https://openalex.org/W2057750958","https://openalex.org/W2085296896","https://openalex.org/W2111497168","https://openalex.org/W2124730416","https://openalex.org/W2132184861","https://openalex.org/W2166406376","https://openalex.org/W2170131944","https://openalex.org/W2298957354","https://openalex.org/W2793631966"],"related_works":["https://openalex.org/W2342197469","https://openalex.org/W7045512082","https://openalex.org/W572083778","https://openalex.org/W1991590109","https://openalex.org/W2243549559","https://openalex.org/W4380669166","https://openalex.org/W2331499101","https://openalex.org/W2984275729","https://openalex.org/W4230947994","https://openalex.org/W4322738389"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T04:12:42.849631","created_date":"2016-06-24T00:00:00"}