Asthma at night.
D001249:Asthma / Q000188:drug therapy*; D002940:Circadian Rhythm; D003692:Delayed-Action Preparations; D006801:Humans; D008875:Middle Aged; D012890:Sleep; D013806:Theophylline / Q000008:administration & dosage / Q000627:therapeutic use*
D003692:Delayed-Action Preparations; D013806:Theophylline