Sleep library

Sleep apnoea

When snoring needs more than reassurance

Read time
5 minutes
Reviewed
September 2026
Sources
NHS, NICE

Snoring is common and does not always mean illness. Snoring combined with breathing pauses, gasping or significant daytime effects deserves assessment for obstructive sleep apnoea.

What happens in obstructive sleep apnoea

The upper airway repeatedly narrows or closes during sleep. Breathing reduces or stops briefly, sleep is disrupted, and oxygen levels may fall. The person may not remember waking.

Signs that change the picture

  • Witnessed pauses in breathing
  • Gasping, choking or repeated noisy recovery breaths
  • Marked daytime sleepiness or dozing unintentionally
  • Morning headaches or waking unrefreshed
  • Concentration and mood difficulties

A partner may notice the night-time signs before the person experiencing them does. Symptoms and risk factors help decide whether testing is appropriate, but cannot confirm the diagnosis alone.

What home testing can do

A home respiratory study records breathing-related signals during sleep. It can be appropriate for many adults with suspected obstructive sleep apnoea. The result needs interpretation alongside symptoms and recording quality.

A negative or unclear home study does not settle every case. Some people need repeat testing or a laboratory study.

Treatment depends on severity and context

Options can include weight management, reducing alcohol, positional approaches, mandibular advancement devices or CPAP. The right route depends on the diagnosis, severity, symptoms, other health conditions and personal circumstances.