A normal sized adult should drink approximately 2 litres of water in 24 hours in cool weather and 3 litres or more in hot weather. If the weather is cold and you have the heating on, you will need to drink more than 2 litres in 24 hours. By the time you realise you are thirsty, you are already dehydrating.
You should mostly drink during the day so that you do not have to keep getting up at night.
You should drink water or anything else that contains water because it hydrates your body
Whenever you feel thirsty.
about three to five drinks.
As often as is necessary.
You never have to. It is not required. Buy what you do is your own business.
You should drink 1 to 2 oz twice a day. a shot glass is typically 1 oz.
1-3 depending on how much they have to drink.
It wont hurt if you do it once but it's waste in it so if you do it often it will damage the kidneys. So "should"...no.
You can safely eat/drink parsley when pregnant. No longer than 2-3 days
he does not drink
yes they should
No, you should not drink hummingbird food. You should never drink anything not made for humans.