If I drink tea, then go to sleep for a while, when I wake up, will the effect of tea still be on me (the refreshing effect)? Does it depend on the duration of sleep?
According to "common knowledge", morning/afternoon exercise is "good" for sleep (in the long run) and caffeine is bad (less so in the morning). However, both of these stimulate the brain; exercise ...
I'm looking at this article on the possible mechanism of detoxifying brain during sleep using cerebrospinal fluid. It states that at night, the space between neurons may allow better (up to 20x) ...