Some causes of insomnia.
Some factors can affect your sleep time as:
Depression: insomnia can be caused by psychiatric disorders, such as depression. Psychological struggles can make it difficult to sleep, insomnia itself can cause changes in mood, changes in hormones and physiology may lead to both psychiatric disorders and insomnia, at the same time.
Sleep problems can be represented to be a symptom of depression, and the risk of severe insomnia is much greater in patients with major depressive disorders. Studies show that insomnia can also trigger or worsen depression.
It is important to know that the symptoms of depression (such as lack of energy, loss of interest or motivation, feelings of sadness or hopelessness) and insomnia may be linked.