Sleep has played an important role in migraine. Younger migraine sufferers usually report relief of migraine after sleep. In older migraine sufferers migraine is sometimes triggered with sleep changes. Occurrence of migraine in the early morning is very common. Therefore in these individuals regulation of sleep may improve the frequency of migraine. Recent PET studies done during migraine demonstrated activation of hypothalamus during migraine. In light of this new data and the known action of ramelteon on the melatonin receptors it may theoretically provide an insight on a possible mechanism of action in migraine.