In general I think the "proper" way to drink scotch is how you like it. I must confess to adoring a Lagavoulin and soda on a hot day. But for afficianodos the "proper" way to drink scotch is NOT on the rocks, but straight with a few drops of water to open up the flavor; or as the hostess in a Japanese whisky bar I was taken to (note the very great distinction between the hostess bar and whisky bar ) said "neato". Again, I dont think that and think people should do as they enjoy, but the classic way is straight. In bars a friend and I went to while exploring Edinbough we were very pleased to see the little taps on the bar so you could finish your own malt with a bit of water.

But as far as nightcaps only Im really going to have to disagree. I was at a wonderful whisky store on Greek Street in London (forget the name) with a huge selection of whisky and a downstairs tasting room on a Saturday morning a few years ago. We went to the tasting room and had some (I think it was Port Ellen). The guy doing the tastings said, "Its a fine breakfast whisky". I also really enjoyed on the couple of occassions Ive been to Gidleigh Park in Devon that they introduced me to "Porridge With" for breakfast: Oatmeal with brown sugar (I think) and instead of milk, single malt poured over it. Had it for breakfast everday I was there last time, except for the day I was going shooting. Didnt seem prudent