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<http://webisa.webdatacommons.org/354974559>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<hindawi.com> .
<http://webisa.webdatacommons.org/prov/318679732>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/354974559> .
<http://webisa.webdatacommons.org/354974559>	<http://www.w3.org/ns/prov#value>	"Pregnancy, jetlag, excessive exercise, or intake of abuse of psychoactive drugs such as alcohol and marijuana, can affect alertness causing excessive sleepiness, impaired reaction times, decreased ability to recognize environmental signals, or impaired judgment." .