If they have a cycle shorter than 24 hours, they need evening light to sync up, and if it's longer than 24 hours, they need light in the mornings.
如果他们的自身节律比24小时短，就需要在夜晚接受光照以和自然节律同步；如果他们的自身节律超过24小时，就要在早晨对他们进行光照，以加速其自身节律。
Don't be surprised if you begin to view mornings in a new light.
到时可别惊讶自己竟也能够成为一个享受清晨的人哦。
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