Answer:
You feel this sensation when you are dehydrated.
Its days are numbered.
What is something that can go up quite easily, but is not as easy to bring back down?
A king wears one on his head.
Tall, I am young. Old, I am short. With life I glow. Anemoi is my foe.
What sphinxes employ and players enjoy.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?