<prompt> Which of the following hormones increase during sleep?InsulinACTHGHGlucocorticoid  <response>: Ans: C GH Ref: Pal GK. Pituitary Gland: The Anterior Pituitary, In: Textbook of Medical Physiology, Ahuja Publishing House 2007: 44:328,336Explanation:70 of total 24 hours GH secretion occurs during sleep. Adequte sleep promotes growth.ACTH - 75 of daily secretion occurs in early morning.Insulin secretion is mainly decided by glucose uptake and its plasma concentration.Glucocorticoid secretion follows the ACTH pattern. 