"i started taking this medication 4 days ago, i was given a prescription for 1 30mg tablet to be taken at night. i am sensitive to medication so the first night i only took 1/2 of a tablet (15mg), i couldn&#039;t sleep at all. i was up all night. finally slept about 2 hours early in the morning. on the flip side, i felt great all day. so that night i took the same dosage. slept well, and no grogginess. the next day, i took the whole tablet (30mg), and slept from 10pm until 8pm the next day!!! i could not get up. my husband was worried so he finally got me up and into the shower. i was okay after that. i took 1/2 tablet (15mg) and went back to bed that night around 2am. felt fine in the morning. proper dosage is the key with this medication!"