>Woke up and can't fall asleep. Before 3am I will try to fall asleep, after that I just give up and have a very early breakfast and read. It's just a trick but if I fight these occassional fits of insomonia, I feel exhausted, but if I go with the flow it's not so bad.
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>3am is morning before before is the middle of the night.

Don't read. Do something pointless like dust your office, or your library. You will soon find that you want to go back to bed instead of stay up.

That is what I do when I get that 3 am wake up call!