So work related question.

I'm 31 weeks and there has been no change in my job role at work. Still doing what everyone else does and still running around after 35 3/4year olds, cleaning up after them, tidying, sitting on the floor etc. I basically haven't changed my roll (e.g. taking it easy) since I got pregnant. However on Fri I began with dizziness which has continued all weekend. Then yday and last night I felt reduced movements and only slept for 30 mins all night. (Baby is back to his usual moving rhythm now typically ) so paired with no sleep I felt blooming awful this morning and didn't go to work - I told them how it is and that I'm exhausted... and now I have work guilt that I should have just plodded along and gone in! I've had 4 days off in total this whole pregnancy. Hope I won't get judged coz I'm just at home 'resting'....