At present, there is a growing interest in healthy lifestyle in the society. Therefore, the choice of the theme was not accidental. It is very important for secondary school students to adopt a daily time-table and to keep to it (Haruki, Kawabata, 2005). The purpose of the work: evaluation, from qualitative and quantitative aspects, of a week’s time of students studying in the 9th year at secondary schools of Kaunas city Investigation methods used in the work: 1. Analysis and summarizing of literature sources. 2. Poll in the form of questionnaires. 3. Mathematical statistics. The investigation was conducted in November of 2004 among students studying in the 9th year at Kaunas Gymnasium „Rasos“ based on VMU and at J.Dobkevičius Secondary School. With an approval of the school administration, anonymous poll in the form of questionnaires was carried out during various classes. Students were familiarized with purposes of the poll and methods of completing the questionnaires. The students were asked to answer the questions individually, without assistance from their friends. After completion of the investigation, the following conclusions are drawn: 1. On average, students sleep 8 – 8.5 hrs on working days and over 10.5 hrs on weekends. On Saturdays, boys sleep significantly longer (p<0.05) than girls. Majority of students (73 %) fall asleep soon and sleep calmly – boys do this sooner and sleep calmer than girls. On working days, students eat regularly, however girls do this... [to full text]