Iâm pregnant and have had a blood test for chickenpox. The blood test can show that you: 1  Are immune (have already had varicella disease or varicella vaccine) and have no sign of recent infection. You have nothing further to be concerned about.  Are not immune and have not yet been infected.
Causes of acute insomnia can include: 1  Significant life stress (job loss or change, death of a loved one, divorce, moving) 2  Illness. 3  Emotional or physical discomfort.  Environmental factors like noise, light, or extreme temperatures (hot or cold) that interfere with sleep.
Primary Insomnia is not related to any other condition while Secondary Insomnia is a consequence of a different but related condition. Causes of insomnia, which are wide-ranging and often difficult to identify with certainty, can be caused by or comorbid (co-occurring) with the following: 1. Anxiety and Stress