What is sleep disorder? It is simply defined as the condition that disrupts the quality of sleep thus preventing the person to have a restful sleep resulting to some mood swings, tiredness during the day and dysfunction. There are a lot of types of sleep disorders, but the most common ones are insomnia, snoring, sleep apnea, restless leg syndrome and sleepwalking.

Common Sleep Disorders in Adults | Northwestern Medicine


Insomnia is a very common condition which means that a person has difficulty falling asleep or maintaining sleep. A person with insomnia may wake up in the middle of the night and have difficulty going back to sleep. This may result in unrefreshing sleep and fatigue, daytime sleepiness, mood swings and a person may have difficulty in concentrating. Insomnia can be acute or chronic; meaning this disorder can be short-term or long-term. Acute insomnia can last from one night to a few weeks while chronic insomnia can last for three nights per week for one month or even longer.


Snoring is not really a serious disorder but can be very irritating and dangerous to your health common sleep disorders. Sleep is very important in our day to day lives but some people don’t get enough sleep because either a person or their partner have snoring problem. Snoring is a very common factor that can affect the quality of sleep but can be treated. However, it is important to know the probable cause for snoring before attempting to take serious treatment since snoring disorder can be corrected simply with some lifestyle modifications. People who are smokers and overweight for example, can stop smoking and may try to lose weight since these changes can help open up airways and facilitate better airflow thus preventing or eliminating this snoring disorder. Sleep Apnea Sleep apnea is a serious disorder that happens when a person’s breathing is interrupted during sleep. Pause of breathing can last from a few seconds to minutes and often occur from 5 to 30 times within the hour. Sleep apnea is usually an ongoing condition that really disrupts sleep. Excessive daytime sleepiness usually happens when one is experiencing sleep apnea. A person with sleep apnea should not be taken for granted for this may cause high blood pressure, heart attack, obesity, diabetes and even stroke. Sleep apnea is a chronic condition that requires a long-term management. Lifestyle changes, mouthpieces as well as surgery or some breathing devices can help cure sleep apnea in most people.

Restless Leg Syndrome

Restless leg syndrome (RLS) causes tingling and even painful sensations on a person’s leg especially at night time thus disrupting the quality of sleep. The cause of RLS in most patients is often unknown however; this may be associated with pregnancy, obesity, iron deficiency and anemia. Restless leg syndrome can make it hard to fall asleep and stay asleep making you tired during the day. Treatment for RLS may include medicines and some lifestyle changes.


Sleepwalking is a disorder when a person does another activity while asleep which includes walking. Anxiety, lack of sleep and fatigue are all associated with sleep walking in adults. Sleepwalking can appear in any age but are most common in children. Sleepwalkers usually open their eyes during sleep, may sit up and appear awake while asleep and perform other activities while they are asleep like moving the furniture, going to the bathroom and even driving. Person with sleepwalking disorder often fall back to sleep if left undisturbed however, they may find themselves waking up in a different location.

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