Random stomach cramps?

no. you are suffering from anxiety attacks or restless stress syndrome which is when you are distracted by something your mind is only focusing on that particular thing but when you have nothing to do or think about at night your mind slips into a scare. they have meds for this talk to your doctor about commonly occurring anxiety attacks and ask him what can be done about it. dont tell him they only happen at night or he/she will idiotically dismiss is as pre-op night terrors. which is when people ume your already asleep and think your awake. try to relax and insist on your doctor doing something about anxiety