Komposition umfassend NADH und D-Galaktose zur Behandlung einer Störung des circadianen Rhythmus, insbesondere ferner umfassend Vitamine und/oder Koenzyme und/oder Mineralien.Composition comprising NADH and D-galactose for the treatment of a circadian rhythm disorder, in particular further comprising vitamins and / or coenzymes and / or minerals.