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.
There are a total of 52 cards in a deck. There are 13 ranks of cards. These ranks include the numbers 2 through 10, jack, queen, king and ace. This ordering of the rank is called âace high.â. In some situations ace ranks above king (ace high). In other situations the ace ranks below the 2 (ace low).