Thanks to you all for such quick and detailed responses. I have done a basal test but only during the day and it seems steady with following the fasting etc but need to do again overnight. I take 4units of Tresiba at night. Have not managed to do more basal testing due to having to wake at night and get up early for work but need to do at the weekend maybe. I don't have a half unit pen but that sounds great. Good to have someone to talk to. My numbers are mostly within target of 4 to 10 hut on a very low carb intake sp far. Am a bit too nervy maybe of going high or low. Still a bit bamboozled by the sudden diagnosis!