animaniac i had the same symptom re sleep initially. it's because one's body is used to that way of self medicating. i was told, no one ever died from lack of sleep-found out later they can  , but at the time the other mentioned info did help me be patient. it took about a month of no sleep and i still recall the glory of my first non-medicated night of sleep- 22 yrs. ago when i got sober.
hope this helps.
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Do not let your fire go out, spark by irreplaceable spark, in the hopeless swamps of the approximate, the not-quite, the not-yet, the not-at-all. Do not let the hero in your soul perish, in lonely frustration for the life you deserved, but have never been able to reach. Check your road and the nature of your battle.
The world you desired can be won. It exists, it is real, it is possible, it is yours..~Ayn Rand
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