#1 sleep
#2 insomnia
#3 somnolence
#4 snoring
#5 #1 OR #2 OR #3 OR #4
#6 rhinoconjunctivitis
#7 rhinitis
#8 nasalallergy
#9 hayfever
#10 #6 OR #7 OR #8 OR #9
#11 #5 AND #10