"prescribed mirtazapine 30 mg for insomnia. first night i fell asleep in 20 minutes. &quot;slept&quot; all night, not a &quot;good nights sleep.&quot; had strange dreams. woke up but couldn&#039;t open eyes. no energy, hard to get out of bed, slurred speech, couldn&#039;t walk straight. didn&#039;t leave couch all day. at 2 am (2nd night) took 15mg, asleep in 20 minutes. dog woke me up at 8:30 am, could barely get up, couldn&#039;t walk straight, dropped &amp; broke dish(never do that), stumbled back to bed, had a very tiring dream. woke up at 12:30 pm, can&#039;t get up, can&#039;t open eyes. its 4:34 pm and i&#039;m still on couch. feel like a zombie, no energy, feeling mood swings and more depressed. no way i could drive car. will try 7.5 mg tonight. my last attempt with this medicine."