Related Clues:
- Breather from running nullified on reflection
- Organ of breathing
- Cause of a rude awakening, maybe
- Snoring cause, often
- Literally, 'breathless'
- Breather (example #2)
- Nighttime irregularity
- Sleeper's malady
- Sleep lab concern
- Nocturnal problem, usually
- Snorer's disorder, maybe
- Doze disrupter
- Chest drawer?
- Heart's neighbor
- Sleep study diagnosis