Assertion: excessive yawning | /r/HasProperty | symptomatic of condition
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Source sentences:
text: Excessive yawning appears to be symptomatic of conditions that increase brain and/or core temperature, such as central nervous system damage, sleep deprivation, and specific serotonin reuptake inhibitors.
text: Excessive yawning appears to be symptomatic of conditions that increase brain and/or core temperature, such as central damage and sleep deprivation," Gallup says.