The search is on for middle-aged men to take part in a new study at Charles Sturt University (CSU) in Bathurst investigating the relationship between sleep, exercise and appetite.PhD student Ms Penelope Larsen from the University's School of Exercise Science, Sport and Health is heading up the new sleep and appetite study."Exercise is strongly believed to be a key promoter of sleep quality and quantity and a driver of energy intake and expenditure," said Ms Larsen."I am examining the effects of exercise, both low and high intensity on sleep quality and quantity and how that relates to appetite-related hormones and eating behaviour.The second part of my research will examine the impact of the timing of exercise that is morning or evening and its effect on hormones and eating behaviour."Ms Larsen said all volunteers need a medical clearance from a general practitioner prior to taking part and a pre-exercise medical health questionnaire would also need to be completed."Participants will need to attend the exercise laboratories at CSU in Bathurst for 5x 1.5 hours sessions which includes a baseline testing session and 4 acute exercise trials," said Ms Larsen.They will also be equipped with a take-home polysomnography (PSG) unit to record sleep quality and a diary to record sleep, diet and physical activity.To be eligible to apply, participants need to be:Men aged 35-60 years of ageExercising less than 150 minutes per weekNot been diagnosed with sleep apnoeaNot a current smoker, or a smoker who has quit in the past 12 monthsNot currently being treated for dental diseasesFree from current illnesses such as the fluNot on medication for appetite control or weight lessNo known medical conditions or medications that affect sleep quality and or quantityNot engaged in work or recreational activities that significantly alter sleep patterns such as shift workBe available during October and November 2016Ms Larsen said it is also important that participants know they can withdraw from the study for any reason at any time, without explanation.For further information on being involved in the study, contact Ms Larsen via email: plarsen@csu.edu.au or mobile 0423 911 625.