Dutch researchers at the University Hospital in Maastricht used vibrations and acoustics to stimulate 25 fetuses between 37 and 40 weeks of gestation and observed their reactions with an ultrasound scanner After the initial tests were performed, the stimulation was repeated at 10  minute and 24  hour intervals
हा अहवाल तयार केलेल्या डेटामॉनिटर या संशोधन संस्थेने म्हटले: “कामगारांकडून जास्त अपेक्षा करणाऱ्‍या व वेळेला खूपच बहुमोल समजणाऱ्‍या आजच्या समाजात दुपारच्या जेवणाची वेळ म्हणजे केवळ पोट भरण्यासाठी घेतलेली अनावश्‍यक सुटी वाटते. ”