Not enough sleep or disruptions to the sleep-wake cycle (such as those that may occur with shift work or travelling to a different time zone) cause the physiological state known as fatigue. Staying awake for 24 hours leads to a reduced hand-to-eye coordination that is similar to having a blood alcohol content of 0.1.
There are 13 hearts in a standard 52 card deck. There are also 13 diamonds, 13 spades and 13 clubs.
the amount of cards in a deck of cards is 52 which means each type of card(spades,hearts,clubs,and diamonds9 each have 13 types of cards hope this helps :D. Edit. Share to:  1 Battlefield 3 System Requirements Guide Battlefield 3 was released by EA developer DICE in 2011.