Why does brushing your teeth make you feel less tired?

Question

For example, you’d be sleepy late at night and you’d brush your teeth before going to bed and all of a sudden that sleepiness is gone.

In: Biology

Answer 1

It could also be the lighting of the bathroom — if your bathroom is super well lit, the light entering your eyes can make your brain think it’s daytime all of a sudden and you’ll start to be more awake