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 cards are in an Uno deck? A: There are 108 cards in an Uno deck. The deck is made up of cards in four colors numbered from zero to nine. Additionally, each deck includes eight Skip cards, eight Reverse cards, eight Draw Two cards, four Wild cards and four Wild Draw Four cards. Continue Reading.