Hmmm, either of those titles are saying one of two things: You've either created an addictive game that will keep the player up all night, or, you as the developer, have been working through the nights getting your game ready
Saying these out loud I think "NeverSleep Entertainment" sounds better. Dunno why, but "SleepLess Games" doesn't sound right to me.
Mind you, that's because I'm a Limey, and my accent is different to yours
Programming anything is an art, and you can't rush art.
Unless your name is Bob Ross, then you can do it in thirty minutes.