Simple, but effective methods, how not to lose time, playing machines
In general, there is nothing complicated in avoiding a trance state. The main thing is to take in advance some measures that during the game will distract you.
In particular, change a small amount of money to chips in order to periodically force yourself to get up and go to the box office. It will be useful, except for mandatory hours on hand, to put an alarm on the phone for every half hour or an hour of playing time. Favorite music in headphones. If you came to the casino in the company of friends, you should definitely agree on dinner at a certain time. It will also be useful and an agreement, by which if someone did not come to dinner, the whole company will go in search of a missing friend. This will be a guarantee of really good pastime in the company of friends, and not just in front of a slot machine.