Some people claim that melatonin will "cure" jet lag by promoting sleep.
有些人认为褪黑素因可以促进睡眠所以可以“治愈”时差反应。
Objective To study the protective mechanism of melatonin on neurons in hippocampus.
目的探讨褪黑素对海马神经元保护作用的可能机制。
It makes sense. Exposure to light at night has been found to reduce melatonin levels.
有道理。已经有研究发现，夜晚暴露在光线底下会减少退黑激素的分泌。
Question: Is there good evidence on the effectiveness of melatonin for sleep problems?
问：有没有充分的证据证明褪黑素可以有效地解决睡眠问题？
Objective: to explore the effect of melatonin on memory of rat with sleep deprivation.
目的探讨褪黑素对睡眠剥夺大鼠记忆的影响及其机制。
Melatonin levels normally start to rise about two hours before bedtime.
褪黑激素开始上升通常在上床睡觉的大约两个小时之前。
Melatonin levels normally start to rise about two hours before bedtime.
褪黑激素开始上升通常在上床睡觉的大约两个小时之前。
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