Introduction – Sleep apnea is a serious sleep disorder that occurs when your breathing starts and stops during sleep. If it is not treated then it may cause loud snoring and tiredness. Sleep apnea is also linked with high blood pressure and heart problem. It can affect anyone but mainly for obese older people. During driving or working, sleep apnea increases the risk of an accident because it may cause drowsiness.

Symptoms – There are several symptoms of sleep apnea are given below –

• Fatigue
• Problem in concentrating
• Irritability
• Headaches
• Insomnia
• Loud snoring
• Heartburn
• Sore throat
• Dry mouth

Causes – There are several factors that may contribute to the blocking or collapse of airways are given below –

• Nasal congestion
• Genetic factors
• Overweight
• Thyroid problems
• Old age
• Being male
• Smoking

Types of sleep apnea – There are three main types of sleep apnea are given below –

• Obstructive sleep apnea – It is one of the most common forms of sleep apnea which occurs when throat muscle relaxes.
• Central sleep apnea – This type of sleep apnea occurs when your brain does not send proper signals to the muscles which control breathing.
• Complex sleep apnea syndrome – This type of sleep apnea is also called as treatment-emergent central sleep apnea that occurs if any individuals are suffering from both central sleep apnea and obstructive sleep apnea.