PMC:7795804 / 3291-3458 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T21","span":{"begin":15,"end":131},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"awakening [4]. Unsatisfactory sleep can lead to short and long-term harmful psychological and psychosocial effects on health [5,6]. Thus, this observational study aime"}