Hello. I'm T1 and until last night had been taking 18 units of Levemir each evening. I was given Tresiba yesterday and advised to inject two units less. I went steadily up all night to 17.9 when my woke thirsty and groggy at 5am. Has anyone else made the switch, and if so, please could you give advice about dosages? Know everyone's different, but would be good to hear from you. Thank you.