even if i am used to sleeping late during workdays the night before a shoot is usally a struggle for me to get some shut eye. i wake up about 2 or three times during the night. i make it a point not to drink coffee or soda prior to the match. first stage is always a struggle for me. some of my shooting buddies tell me to shoot a few rounds before going up a stage. does not help. too much anxiety and adrenaline rush i suppose.
during the course of the match i drink about 1 to 2 liters of water. but if i get to the range around 10 am and stop for a lunch break that is were i notice some sluggish movement of my limbs after lunch. maybe i had too much.
one time i did not plan to shoot on a weekend. i just dropped by a friend's house to get my load and we just decided to check out the local range to see if there is anything going on. i shot a quite good for the day.
basically i think it all boils down to too much thinking the night before the match. it gets me on the edge alot.