Its sign of dehydration. Your water intake is not enough on you body proportion that's why you feel it that way...
do fish feel thirsty ?justify your answer .
A person feels thirsty when awakening because you haven't had anything to drink in a while AND the kidneys have processed waste during the night and pulled fluids from the body.
we feel thirsty after the slimming treatmets because our body lose a lot of water in form of sweat so our body need to regain water so we feel thirsty
Obvious answer would be you go without water for an unusual number of hours, so you were most likely thirsty mid-way through the night. If however you add dry lips, you might have had a fever during the night and dehydrated.
after a long run
sleep with your mouth open or drool
Whenever you feel thirsty.
Yes. Most likely you are not unhealthy, but it is possible.