OK thank you Serryn for guiding me through tonight!! Much much appreciated. Jack has just gone out to the toilet I think, he was battering on the cat door again. I will se the alarm for 2 hours and see if I can get a +7 like Dyana suggested - if he is to be found.
8:00pm SHOT 0.25 U + FOOD (NB I did give hime little bits of food through the day, forgot to take note)
9:00pm tested 5.2 mmol/L (94 mg/dL) (+1 after his 8:00pm insulin)
10:00pm tested 3.5 mmol/L (63 mg/dL) (+2 after his 8:00pm insulin)
then JACK ATE food (his normal meat)
10:30pm tested 3.8 mmol/L (68.4 mg/dL) (+2.5 after his 8:00pm insulin)
11:00pm tested 3.7 mmol/L (66.6 mg/dL) (+3 after his 8:00pm insulin)
then approx 1tsp food
12:00pm tested 4.2 mmol/L (75.6 mg/dL) (+4 after his 8:00pm insulin)
1:00am tested 4.1 mmol/L (73.8 mg/dL) (+5 after his 8:00pm insulin) 3:30am tested 5.8 mmol/L (104 mg/dL) (+7.5 after his 8:00pm insulin)