Insomnia
"This is the first time I took unisom. I&#039;m pregnant and have been having trouble sleeping. I took it the first night and I as asleep within 30 minutes. It was the best sleep I&#039;ve had in awhile and woke up feeling great but the second night taking it didn&#039;t go so well. It didn&#039;t make me drowsy one bit. I tried taking a second pill and nothing worked. I&#039;m not sure why it worked the first night for me but not the second. :("