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.
Symptoms of insomnia: 1  difficulty falling asleep, including difficulty finding a comfortable sleeping position. 2  waking during the night and being unable to return to sleep. 3  feeling unrefreshed upon waking. 4  daytime sleepiness, irritability or anxiety.