Is it dangerous to drink water from a glass that has stood all night?

Leave a glass of water by the bed in case you get thirsty at night?

In what cases can it endanger your health to drink water that has stood for several hours, and who should be especially careful?

Walla!

health

22/11/2021

Monday, 22 November 2021, 11:41

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Five facts about water (Walla! News system)

Quite a few people have a glass or bottle of water on the dresser by the bed. It happens quite a bit that we wake up thirsty in the middle of the night or with dry mouth, and a sip of water by the bed solves this problem for us. But does it create another problem for us? Can water left in an open vessel for several hours harm our health?

Your instincts will surely tell you that drinking water that has been standing for a while is not the most recommended thing in the world. Dust, debris and even a passing fly can fall in and contaminate the water, and especially their face. Even water in a closed container, such as a bottle or jug, can be problematic, mainly because if you have already sipped from it once, keep in mind that things that are on your skin, such as sweat, bacteria, dead skin cells and even runny nose, have been washed away and may contaminate the remaining water. Within them.

Our saliva is also full of all kinds of bacteria.

"If you let such water stand for a few hours, you can develop an infection and culture of bacteria, which when you drink from them can be harmful again. A bottle or glass that you have already swallowed from them should be finished at once," said Dr. Westes, in a conversation with the site reader's digest.

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Are there bacteria there?

Yes, but these are your bacteria.

Woman sipping from a glass of water (Photo: ShutterStock)

But to be honest about your chances of getting sick from a glass of stagnant water, since it's a bacterial content that eventually came out of your own body, you probably will not start from it in most cases.

It's not something to brag about, but almost everyone who does not do or has done it from time to time, and most of us do not know anyone who has died from it (or fallen ill).

On the other hand, drinking from water that was in someone else's cup or bottle is a different story.

And if you have a medical condition that weakens the immune system (immune suppression, HIV, taking drugs that weaken the immune system, etc.) it can be dangerous.

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And what about water left in the car?

The type of water in a glass or bottle does not affect the risk of infection, once you have drunk it.

Both mineral water and tap water can contain harmful bacteria if they have been sipped and they have been standing for some time.

What can affect, is where you left the water standing.

Water left in the sun or in a warm place will heat up and their temperature will rise, making them a particularly comfortable habitat for some of the bacteria (if you have already ingested them).

Beyond that, there is the fact that some plastic bottles contain harmful chemicals (like BPA for example) that emit particles when they are heated or exposed to sunlight.

So it is advisable to choose drinking bottles that are made from safe materials and do not contain BPA.

Although keep in mind that this will not solve your problem with the bacteria.

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