Kays took a rubbish / trash bag out to the wheelie bin. My wife and I were watching TV at the time and even though we noticed her go out the door, it didn't register with us what she was doing or how long she had been out. About 6 - 7 minutes went by and then Kays finally came inside. She told us that she must have tripped over and banged her head or something as she found herself on her hands and knees and was dizzy and confused. The trash bag was still on the floor, so she got to her feet and