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Published 17:30 3 Feb 2016 GMT
Updated 19:52 4 Feb 2016 GMT

If only it was this easy to fall asleep!
"Write in a journal before bed. Putting the day to rest before getting into bed can help calm your brain, making it easier for you to fall asleep" recommends the authority on all things snooze-related.
Her theory is backed up by Andrew J. Westwood, M.D., a professor of neurology at Columbia University.
He says that writing a to-do list is often helpful for anyone who finds their mind racing as bedtime approaches.
It's worth a go...