Its an utter bone weariness that really hits around lunchtime and lasts through the rest of the day (I often have an hour or two's sleep around 1-3). It's a combination of extreme tiredness and feeling weak, light-headed and generally grotty. This is my second pregnancy and I vaguely remember feeling like this with DS, but only right at the end of the pregnancy and only occasionally. Anyone want to tell me I'm normal 