human
Is it true that if I drink a glass of water before going to bed, I won't wake up during the night?
assistant
It's not clear from your question whether you mean "wake up" in the sense of being conscious or waking up in general. If you mean the former, then there is some evidence that drinking a glass of water can help with sleep quality and therefore reduce the number of awakenings during the night. However, there are other factors such as temperature control that also affect this. So overall, the effect seems small and uncertain.