According to a broadly-spread opinion, a sleeping man has to move and turn over to assure normal blood circulation. Latest scientific achievements show that this opinion is not entirely true.

Physiologists, having recently conducted a new research, came to a conclusion that if a man does 4 to 12 turnovers per night, it’s enough for a heart to provide normal blood circulation in man’s organism. Therefore, it isn’t necessary to regularly turn over during the entire night sleep period.

In particular, it has been found that 20 to 80 rotations from one side to another, as it was advised previously, is too many. Permanent turnovers during a sleep increase normal pressure, hampering blood supply to a body’s part the weight of all the body lies on at that time (back, stomach, right or left side).

To provide normal blood supply, a body should only rarely change its position. Despite that frequent change of body position in bed assists in proper organization of blood circulation, it breaks current phase of a sleep, that results in dramatic arterial pressure rise at the same time.

Generally, artificial (when man doesn’t sleep) change of a body position initiates insomnia development. Thus, the optimal process of organism power regeneration (recovery) is disordered and, consequently, organism’s immunity weakens and a risk of infection development in organism rises.

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