During sleep there is a fall in the circulating level of

A. True The waking catabolic state changes to an anabolic state.

B. True Insulin secretion occurs mainly in association with meals.

C. True Adrenaline secretion is associated with stress.

D. False This rises as plasma osmolality rises; water is lost but not replaced during sleep.

E. False This increases, allowing growth and anabolic repair of tissue wear and tear.