I hated night shifts (10.45 pm till 7.45 am, 1.5 hour commute each way, too) - they made me feel nauseous (usually at around 4 am) and daytime sleep was never very good. We did one week and one weekend of nights every 6 weeks, I think (this is going back a few years), with various late, early, and other shifts the rest of the time. There never seemed to be enough time to adjust. I did my best to act as though early mornings were my evenings (got a few odd looks having a swift whiskey and coke on the train at 8.30 am!), but it never really worked.
So glad that's all in the past now, and feel sorry for those of you who are doing nights and hating them!