The Master in Dozing Off

Dozing off anywhere .. anytime .. during the smallest inactivity period ... but sometimes even during activity ... The power is quite amazing due to the collaboration of pure natural reaction of putting oneself to sleep under the most adverse conditions in spilt seconds .. Sometimes we wonder .. how can this be tiredness if it becomes a sight which is so regular .. Too many incidents evidently shown this unique X-Men power ... ( Maybe X-Men 4 ? )

Though medically ... there are sleeping disorder of a mild nature which might be the cause ...
Nacrolepsy is the excessive drowsiness during daytime and desire to sleep at inappropriate times ...