However, withdrawal from caffeine is seldom dangerous, though it can make one uncomfortable for a few days. The most frequent symptom associated with this withdrawal is a moderate to severe headache. This can occur between 12 and 24 hours after last intake of caffeine.
Make sure you have cheats ON and say /give (player name) command_block. After you get in in your inventory place 5 in a row. Then you right click the first one and put the command /give @a 306. Then exit out of that command block and right click the next one.
3. Set command block actions. In the text box at the top of the menu, type in a command in the same way you would in the chat box. The command block functions just like the chat; however, it can be attached to a button or a circuit to execute commands automatically.