ImpaCt Of Shiftwork on METabolic Flexibility and Skeletal Muscle Clocks

The indirect calorimetry system allows your oxygen / carbon dioxide exchange to be measured, thereby showing the number of calories burned.

The MMTT is done to measure how much body handles a mixed meal.This test shake will raise blood sugar and cause the body to produce insulin.

Participants will be asked to swallow a core body temperature monitor prior to entering the whole room calorimeter. This monitor is used to record participants core body temperature.

Participants will fill out a questionnaire that asks about your preference for morning or evening.

Participants will have two skeletal muscle biopsies (one in the evening and one in the morning). This procedure is used to sample muscle cells from the right and left leg Vastus Lateralis (thigh) muscle.

Participants will have blood sampled every hour for 24 hours to assess changes in circulating hormones.