My family and I had recently moved from Florida into a renovated cottage in the countryside of Northern Ireland. We were just beginning to settle in and feel comfortable with the creaks and groans of a different house when I noticed that during the night I would often be stirred by a bluish flash of light, which was like a camera flash close to my closed eyelids.
It began to happen regularly and soon it was "normal enough that even my no nonsense husband had seen it.
One evening after I had settled the girls to bed and finally climbed into bed myself I heard a faint tapping sound coming vaguely from the direction of my husband's side of the bed. It was similar to the noises some machines make if they vibrate leaning up against a wall. It could have been the water heater left on, the pump which circulated hot water through the radiators from the fireplace or any number of things. My grumpy husband pointed this out and told me it was too late to be talking about it.
The tapping steadily grew louder and went from once every five seconds to every two or so and I couldn't just go to sleep without figuring out what it was. Despite his insistence that he didn't care he dutifully got out of bed and started listening to the walls and helping me figure out where the pipes were etc. During the process we pulled the bedside drawers away from the wall and the noise grew louder and more insistent. By this time both my husband and me were quite convinced it was more than a pipe and were quite horrified to realize the noise was clearly coming from the drawers now standing freely behind us. At this point I was desperately hoping that a mobile phone was vibrating in a drawer or something but sadly the phones were accounted for and plugged into their chargers.
We opened the drawers and found nothing, all the while the sound continued to come from the back of the unit so in desperation my husband ripped it off. There was a sudden speed up in the vibratory quality making it sound more like a low vocal growl and then it stopped. We put the room back together and now I'm sure I'll never get to sleep and I asked him "what do you think it means Anthony?" "I don't care I just want to go to sleep."