In alternative embodiments, provided are methods for: modifying circadian rhythmicity or timing in a mammal, treating psychiatric conditions or symptoms due to alterations in a human circadian regulatory system, treating sleep problems in a mammal, or inducing sleep or activity suppression, or causing an arousal or wakening reaction, comprising administration to a mammal or human a compound or composition capable of modifying a prokineticin 2 (PK2) expression or activity, and/or a PKR2 (PK2 receptor), a vasopressin receptor (VR), and/or a melatonin receptor (MR) expression or activity.
在另一种实施方式中,提供了以下方法:修改哺乳动物的昼夜节律或时机,治疗由于人类昼夜节律调节系统变化引起的精神疾病或症状,治疗哺乳动物的睡眠问题,或诱导睡眠或活动抑制,或引起唤醒反应,包括向哺乳动物或人类给予能够修改促动素2(PK2)表达或活性,和/或PKR2(PK2受体),血管
加压素受体(VR)和/或
褪黑素受体(MR)表达或活性的化合物或组合物。