They point out that lunar rhythms are complex, they are not completely regular, and their effects are not marked, so it is difficult to replicate the experiments upon which the studies are based.
Nad rõhutavad, et kuufaasid on keerukad, need ei ole täiesti korrapärased ja nende mõju pole selgelt märgatav, mistõttu on uurimuskatseid raske korrata.