Related Clues:
- Literally, Greek for "without breath"
- Temporary suspension of breathing
- Temporary cessation of breathing
- Breathing disorder
- Holding one's breath, essentially
- Concern for some sleepers
- Sleeper's problem
- Nighttime problem
- Sleep-clinic study
- Nighttime breathing disorder
- Cause of an awakening
- Sleep breathing problem
- Asphyxia
- Certain sleep problem
- Sleep disruption