Snoring can occur due to following reasons:
- Nasal congestion
- Lack of sleep
- Obstructive sleep apnoea
- Alcohol consumption and sleeping on back
- Obesity
- Narrowed airway, airway obstruction and nasal problems

Snoring does not always indicate a good sleep. The fundamental cause of snoring needs to be determined for its appropriate treatment.

You can snore in case you have cold. There is nasal congestion during cold that obstructs the airflow, further leading to snoring.

Yes, the treatments methods are implemented after assessing the fundamental cause of snoring. These treatment methods include:
- Treatment of nasal congestion
- Positive airway pressure
- Dental mouthpieces
- Adequate sleep and weight reduction
- Surgery such as uvulopalatopharyngoplasty, radiofrequency ablation

Yes, snoring can lead to following complications:
- Increased risk of accident
- Unable to concentrate
- Hypertension and stroke
- Behavioural problems
- Aggression
- Sleeping in daytime