A Knocking At The Door

This incident is very recent, a week ago in fact, and although I was a bit shocked at the time, I would appreciate other peoples take on it.

Okay, I don't sleep for long periods at night for a number of reasons. Firstly, my youngest son is Autistic and amongst other disabilities that go with it has ADHD so has an erratic sleep pattern and sometimes wanders at night so I always sleep with one ear open!

Also I have developed carpel tunnel syndrome in both hands and am currently awaiting an operation to fix this so I don't sleep well due to the pain from that. I have found I usually start to drift off about 4 am and get about 2 hours before my alarm wakes me at 6 am.

My youngest son has a habit of knocking on the door before he...