A possible basis for periodic arousals during hibernation: accumulation of ketone bodies.
D000090:Acetoacetates / Q000097:blood; D000096:Acetone / Q000097:blood; D000818:Animals; D001143:Arousal; D001786:Blood Glucose / Q000032:analysis; D002404:Catheterization; D006400:Hematocrit; D006605:Hibernation; D006885:Hydroxybutyrates / Q000097:blood; D007657:Ketone Bodies / Q000097:blood*; D012377:Rodentia
D000090:Acetoacetates; D001786:Blood Glucose; D006885:Hydroxybutyrates; D007657:Ketone Bodies; D000096:Acetone