Yes indeed, the Gym is staffed by FLYEfit Gym staff throughout the current opening times :

Our Sallynoggin Gym will open at 06.00 to 22.15 Monday to Friday and 06.30 to 21.15 Saturday, Sunday and Bank Holidays,  All other FLYEfit Gym locations will open between 05.30 and 23.15 Monday to Friday and 06.30 to 21.15 Saturday, Sunday and Bank Holidays.

Please Note: *You must have your gym access card with you at all times to enter the gym*.