What is your age?
under 18
18-24
25-30
31-41
41-50
51-60
61+
Do you drink overnight water？
If you drink half of a bottle of water, will you still drink it the next day?
If a bottle of water is half used without touching the mouth, will you drink？
How old is the water that you can drink ?
3-8 hours
8-12 hours
24 hours
More than 24 hours
Reasons to accept overnight water.
Knowing that overnight water is harmless
Don’t care
Like to drink overnight water
No other water to drink
What is the reason for not accepting overnight water?
Unsanitary, bacterial and dust falls
The taste has changed
psychological effect
Others
What to do with the water you didn't drink overnight?