The loss of serum melatonin is possible concerned with disorder sleep and the inhibition to the pineal gland with a high level of adrenal cortex hormone in stress state.

• 结论哮喘患儿血清褪黑素水平明显降低,可能与患儿睡眠紊乱、机体处于应激状态时体内高水平皮质激素对松果腺的抑制有关。