Hmmm. You need to call out whatevers in there you fucking bitch. Go get a shank, crowbar, baseball bat, ensure proper lighting and go in there balls out. Shiv the fuck out of whatever it is you find.
If whatever's up there plans on hurting you, you're fucked as soon as you go to bed. You might as well handle business now. If you're wrong and it's nothing you can rest at ease the rest of the night. If you're right, then you stand a better chance with a weapon, as opposed to completely helpless when you're asleep.