PENGARUH KUALITAS TIDUR YANG BURUK TERHADAP TINGGINYA PERSEN LEMAK TUBUH (PLT) PADA MAHASISWA FAKULTAS KEDOKTERAN UNIVERSITAS MUHAMMADIYAH MALANG

Background: Sleep is one of physiological needs for humans that is useful for body recovery process. Poor sleep quality will have an impact on the hormonal system in human body, for example leptin, ghrelin, testosterone, and cortisol hormone which will affect the body fat percentage that can lead to be an obesity. Objective: To prove the effect of poor sleep quality on increase body fat percentage on Students of Medical Faculty University of Muhammadiyah Malang Methods: An analytical observational research used cross sectional design. The sampling technique were used purposive sampling, and 102 samples were included. Data were analyzed by Chi-Square test. Results: Chi-Square test showed that significant result 0,000 which less than alpha 0,05. So there was effect of poor sleep quality to body fat percentage on Students of Medical Faculty University of Muhammadiyah Malang. From this research, it is also known that students of FKUMM have more poor quality of sleep. More male students have poor sleep quality compared to women. The percentage of body fat students of FKUMM are most included in the normal category. Most male students belong to the normal category while the most female students belong to the overfat category. Conclusions: Poor sleep quality influence the increasing of body fat percentage on Students of Medical Faculty University of Muhammadiyah Malang. Keywords: Sleep quality, Body fat percentage, Leptin, Ghrelin