"the 15 mg did nothing for me. doc increased it to 30. i take on an empty stomach because that&#039;s the only way it hits me. yes there are vivid dreams but after 43 years of never feeling i got to the dream stage i love the dreams! i&#039;ve been on ambien. another good one but only lasts a couple hours. this should keep you sleeping all night. i do notice a little irrability first thing in a.am but within an hour i&#039;m fine. i&#039;ve also been on sonata, lunesta and belsomra that did nothing for me. this drug won&#039;t knock you out. you just feel that heavy eyes feeling. high recommend!"