INS and type 1 diabetes mellitus: In this open‐label, randomised crossover trial, 18 adults with type 1 diabetes using insulin pump therapy [12 females, age 39.1 (14.2) yrs., HbA1c 57.9 (8.7) mmol/mol] completed two 8‐h inpatient sessions (09:00 to 17:00 h).