If loads to make a daily habit it is possible to insure itself not only from the lowered tonus, but also from gross infringements of mental health.
It is known, that playing sports cheers up. As for a long time, sports doctors from the American college of sports medicine (American College of Sports Medicine) have decided to count up, Seattle.

Healthy men and women have taken part in research. They were asked about the general condition and mood through one, by two, four, eight, and also 12 and 24 hours after trainings and compared to a usual condition after lazy rest or quiet pastime. Early researches registered, that the mood remains raised within an hour after the sports loads, new results have taped, that the good mood after fitness remains till 12 o'clock, unlike group "having a rest" where mood jumps became perceptible. Participants of experiment carried out physical exercises approximately on 60 % from own maximum aerobic ability. It corresponds accessible practically to everyone to physical activity, for example, in the form of walking or walk on a bicycle. It will be enough to raise to the person the general tonus.

«Positive influence of sports exercises on mood is noted at all participants« sports »groups, without dependence from an age, sex or preparation level, - the author of researches Jeremy Sibold has noticed. - We think, that in certain cases fitness can represent itself as high-grade alternative to some standard methods of the decision of problems of mental health».
As the effect improving mood from employment stops in twelve hours, Sibold recommends to make physical activity the daily habit. Proceeding from calculations of doctors, for maintenance of good mood 30 minutes of moderate physical activity in day, and so not less than five days in a week are required to us.