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 Tarot deck is made up of the Minor Arcana and the Major Arcana. Like regular playing cards, the Minor Arcana of the Tarot deck includes four suits. Rather than spades, hearts, diamonds and clubs, however, the suits are: 1  wands. 2  swords. 3  cups.