| abstract |
FIELD: biotechnology. n SUBSTANCE: invention relates to application of a probiotic bacterial strain Lactobacillus reuteri DSM 17938 and/or Bifidobacterium longum ATCC BAA-999 in the manufacture of a nutritional composition for a subject. At that, the REM (REM+NREM) % ratio decreases by at least 8% compared to the subject that did not take such a nutritional composition, where REM is active sleep duration (minutes), and NREM is slow sleep duration (minutes). n EFFECT: invention provides normalization of the sleep nature and improves the quality of sleep. n 12 cl, 2 dwg, 6 tbl, 4 ex |