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.
Some of the ways pain causes insomnia include the following: Pain at night disrupts sleep architecture. âYou need a certain amount of each stage of sleep to feel rested and for proper memory,â Marks says. These stages include light sleep, deep sleep, and REM (rapid eye movement) sleep.