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A 28-year-old male asked:

I've a sleep test appointment today and i was told not to drink coffee all day but i forgot and had a cup. should i postpone the sleep test or still go?

1 doctor answer4 doctors weighed in
Dr. Colin Sanner
Neurology 21 years experience
Go: Caffeine may contaminate the results slightly, but given its short time to elimination from the body, more likely your sleep study will be unchanged. Don't have any more caffeine, and you ought to get good, reliable results. Good luck!

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Last updated Aug 12, 2016

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