Coffee can stop sleeping if a person drinks the last glass six hours before bed. In an interview with TERRA, he warned the nourishman of the University of Sao Paulo, Amanda Figiredo.
Caffeine is a stimulant of the central nervous system, it increases mental and physical performance, reduces fatigue. However, this material also hinders the production of Melatonin, sleep hormone, which causes difficulties to sleep.
According to the specialist, the paragraph of the cash flow in the body is four to six hours, it takes so much time to make the level of the material in the blood half decreases.
Figeasia noted that the response to caffeine largely depends on individual features of the body. The sensitivity to the drink depends on genetics, age, zirculus rhythms, as well as medications. Therefore, the "six-hour rule" is not universal for everyone, it serves as an approximate proposal.
Translation of: Euromedia24.com
