Effect of Nutrient Delivery Pattern on Biological Rhythms in Human Skeletal Muscle

Inclusion Criteria: * Body mass index \>19 but \<30 kg/m2 * Be able and willing to give informed oral and written consent, complete and meet the defined criteria of pre-study questionnaires and screens, * Have a regular sleep cycle with a sleep duration between 6 and 8 hours, do not exhibit extreme morning or evening preference (Horne and Ostberg, 1976) * Agree to keep a constant sleep/wake cycle with a self-selected 8 hour sleep duration (from which it cannot be deviated by more than 30 minutes) for one week prior to the lab study, * Obtain 15 minutes of sunlight within 1.5 hours of waking up and agree to nap only within a 4 h designated nap window for one week prior to the lab study, * Allow confirmation of compliance to these instructions by wearing ActiHeart monitors continuously and complete daily sleep and event diaries for one week before the study session, * Agree to refrain from alcohol, caffeine, heavy exercise and certain food components TWO days before the study session, * Agree to weigh and record daily meals (based on individual energy requirements) for TWO days prior to the study, * Agree to refrain from prescribed and 'over the counter' medication and food/vitamin supplements for a wash-out period three weeks before and during the study. Exclusion Criteria: * Are taking regular medication (also non-prescribed) or food supplements (e.g vitamins, minerals, fish oil, antioxidant tablets) from which it is not possible to refrain, known to influence: Sleep/alert…