"without ambien i&#039;m up literally all night. but if you don&#039;t take it on am empty stomach it doesn&#039;t work at all. i take it at midnight and can&#039;t eat after 5 or 6pm or else it won&#039;t work. if you try and stay up after it starts to work you may do things you wouldn&#039;t normally do - like shop online, which i&#039;ve done and many people i know. luckily everything i&#039;ve bought is stuff i&#039;ve wanted, but still..."