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.
How many diamonds are in a deck of cards? A: A standard deck of cards features 13 cards of the diamond suit, and there are 87 diamond images that appear in total. Cards show diamond images in two opposite corners of the suit, plus one diamond for each number card and two diamonds on each face card.