Insomnia is the most common sleep complaint. It is a serious disorder that affects approximately 1 in 5 people. It occurs when you have trouble falling asleep or staying asleep even though you had the opportunity to get a full night of sleep. The causes, symptoms and severity of insomnia vary from person to person.
Insomnia may include:
The effects of insomnia can impact nearly every aspect of your life. Sleep loss impairs decision-making and can damage relationships. In most cases, people with insomnia report a worse overall quality of life.
As well as sleep disturbance insomnia causes daytime symptoms. These can include:
Most poor sleepers have a very unpredictable sleep pattern. They live with uncertainty of what the night will hold for them, compared with good sleepers, who can rely on their sleep being stable and satisfying.