Insomnia - Health Library - Prime Medic 

Insomnia is a common medical disorder demonstrated by difficulty in falling and maintaining sleep coinciding with symptoms such as irritability and extreme feeling of tiredness during wakefulness. An estimated half of the people globally have insomnia at one time or another, while at some point, several individuals might have experienced short-term (acute) insomnia which can only last for days or weeks. Anxiety, stress and traumatic events cause short term insomnia.On the other hand, long term insomnia may last for months or more. For more information visit the website https://www.primemedic.com.au/health-library/insomnia-35