_:b57812788	<http://www.w3.org/ns/oa#hasSelector>	_:b57812789 .
_:b57812788	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/623910bb603a574db5280f348b409ad580df6708/24> .
_:b57812789	<http://www.w3.org/ns/oa#exact>	"REM sleep" .
_:b57812789	<http://www.w3.org/ns/oa#exact>	"sleep" .
_:b57812789	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .