Post-monitoring period: Physical activity and continuous glucose monitoring will continue for four days, from day 12 to day 15 of experimental period, after the lab intervention 2. This will be regarded as post-monitoring period. During this period participants will also be reminded to avoid caffeine, alcohol, smoking and moderate to vigorous physical activity. On day 15, participants will report back to the laboratory (Diabetes Clinic at Ayr Hospital) in the morning for removal of the Abbot FreeStyle Libre continuous glucose monitoring device and the activPAL. After that, participants will be thanked and they will return home. This will be the end of experimental period for each participant.