He lay 'sleepless' in bed.
He lay 'sleeplessly'.
a 'sleepless' night
(..) Choosing a new laptop is an incredibly personal ritual. You have taken away weeks of agonizing thought, tedious research, sleepless nights filled with indecision. I j... Haven't I lost enough today? Well, the guy at the store said this one is great. Oh! Oh, the guy! (..)2016 TvShow: The Big Bang Theory Title: The Solder Excursion Diversion Season: 9 Episode 19