Snorer's affliction (5)
I believe the answer is:
apnea
'snorer's affliction' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for apnea that I've seen before include "Cessation of breathing during sleep (US spelling)" , "Loss of breath" , "stopping breathing in US" , "that'll make you catch your breath?" .)