This position is now near the junction of Draco, Hercules and B otes. Loose fitting, wind proof, bulky clothes that can be sealed at the neck, waist, hand and foot joints are best. Your head loses more heat than any other area- protect it. The little reusable or disposable heat pads are handy to have for slipping in your pocket or even in your boots, if necessary. If you plan on sticking it out for a while, get comfortable in a reclining lawn chair and cover up with a sleeping bag.
Candy gives a sudden lift, but that is quickly followed by an abrupt crash in blood sugar.
Caffeine, as does tobacco, restricts the circulation to your extremities. Alcohol is a definite no-no. It not only reduces your night vision but makes you lose heat by dilating the capillaries in the skin. At the slightest hint of chilling, get up and move around briskly to produce some heat and to move it around the body. Now you are ready.