Scientists have long proven that if the body asks to give him fifteen minutes to rest during the day, then in no case, you can not ignore these signals.
Of course, modern man does not have time to spend a lot of time on daytime sleep, but if you allow yourself to fall asleep for no more than twenty minutes, then the effect will be phenomenal.
Most scientists are sure that during this time our brain does not shut down completely, but it has all chances to simply switch to a new phase of work. And if at that moment he will be least loaded, then the charge of energy and vigor will increase several times. It seems that the brain just wants to change the batteries, which are already tired to work in the first half of the day.
Therefore, when you feel that you need to lie down and take a little nap, just do it, even during lunch on the desktop.
All you need for harmony with your body is to listen to his tips. And he will do everything possible to make you understand as much as possible what he needs at this moment.