I'm so paranoid, I can't sleep at nighttime being alone in my house (yes my son is here but he's 6…

I'm so paranoid, I can't sleep at nighttime being alone in my house (yes my son is here but he's 6 months old lol) my husband is gone until the 5th of next month for some military training and I'm having a hard time. Every little noise I'm jumping or if I start to fall asleep and think I hear something like a car door or anything I'm instantly back to being awake. ☹️ Nothing bad ever even happens in my town, it's small and quiet, I just hate being alone.