1. (v. i.) To breathe with a rough, hoarse, nasal voice in sleep.

2. (n.) A harsh nasal noise made in sleep.

Aqua-Lung artificial respiration aspiration assibilate assibilation asthmatic wheeze belch blare blat blow bray breath breath of air breathe breathe hard breathe in breathe out breathing broken wind burr buzz cackle caw chirr clang clangor clank clash cough craunch croak crump crunch doze drowse effervesce effervescence effervescing exhalation exhale exhaust expel expiration expire exsufflation fizz fizzle fizzling frication frictional rustling gasp grind groan growl grumble gulp hack hiccup hiss hissing huff hush hushing inhalation inhalator inhale inspiration inspire insufflation iron lung jangle jar lisp mouth-to-mouth resuscitation nap oversleep oxygen mask oxygen tent pant puff rasp respiration respire rhonchus saw logs saw wood scranch scrape scratch scrunch scuba shush shushing sibilance sibilate sibilation siffle sigh sigmatism siss sissing sizz sizzle sizzling sleep sleep soundly slumber snark snarl sneeze sneezing sniff sniffle snoring snort snuff snuffle spit splutter sputter squash squelch squish sternutation stertor suspiration swish take a nap twang wheeze whish whistle whistling white noise whiz whoosh wind zip