@Count Adramélekh Sear
Suggestion: prepare a backpack with the basic stuff: water, cans, batteries, important papers [original and copies if is possible], you cell phone, etc. and put it near to the door.
Also, if it’s possible, if you’re with family, one of them stay awake
@Count Adramélekh Sear
also you can prepare a homemade alarm: put a glass near to the table shore, like ALMOST near to fall, so, to the even littlest move, the glass can warn you