Quick answer
Sleep apnea causes repeated pauses and restarts in breathing during sleep. Loud snoring, observed pauses, choking awakenings, morning headaches, and daytime sleepiness warrant medical assessment. Symptoms alone do not confirm the diagnosis; consultation and an appropriate sleep study are used to establish it.
What is sleep apnea?
Sleep apnea is a disorder in which breathing repeatedly stops and restarts during sleep, affecting oxygen levels and the quality of rest.
When may it be recommended?
Assessment is recommended for loud snoring, observed breathing pauses, waking with choking, morning headaches, difficulty concentrating, or excessive daytime sleepiness.
What happens during the service?
The doctor reviews nighttime and daytime symptoms, risk factors, and sleep-study findings, then establishes the diagnosis and appropriate treatment and monitoring options.
How should you prepare?
- Record nighttime and daytime symptoms, how often they occur, and when they began.
- If possible, ask a sleep partner about snoring, breathing pauses, or unusual movements.
- Bring a medication list and information about known cardiac, respiratory, or metabolic conditions.
- Mention your sleep schedule, shift work, and use of alcohol or sedating medication.
What limitations and precautions matter?
- Snoring alone does not confirm apnea, and lack of snoring does not exclude every sleep-related breathing disorder.
- Questionnaires estimate risk but do not replace a sleep study selected by a clinician.
- Severe sleepiness can increase accident risk; do not drive if you cannot remain alert.
Medical sources
Medical content: Dr. Teaha Cristina · Last editorial review:

