I've started to get really worried about my 4 year old. He gets 12 hours sleep a night, a 2 hour sleep from Friday to Monday during the day, and is still shattered most of the time. He goes to nursery full days on Tues and Thurs, and half days on Wed. Admittedly he did not have a sleep this Monday, but this afternoon I tried to take him and his sister to the park for a picnic and it was an absolute disaster. It took us an hour to do a 10 minute journey (he was on his bike) He kept falling off, whining, whimpering (but denying that he was tired) until I thought I was going to strangle him! He has also had a couple of nosebleeds recently at nursery - apparently he went all hot and his nose started to bleed. Does anyone else have a child like this? He has always needed more sleep than his sister, but this is getting beyond a joke. He is due to start school in September and I just can't see how he is going to manage. Thoughts of leukaemia or other dreadful disease has started to go around in my mind, and I alternate between this and thinking that he just has an abnormally whiny and wimpy personality. Advice please!