A member asked:

My father is 59 years old when hi drinking black tea in night the heart bit is more than normal rate and wake up in sleep whats reason?

3 doctors weighed in across 2 answers
Dr. Theodore Davantzis answered

Specializes in Dentistry

Caffeine. Caffeine is the reason. Have your father stop drinking any caffeine products before he goes to bed and he should have a more restful sleep.

Answered 8/17/2021

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Dr. Silviu Pasniciuc answered

Specializes in Internal Medicine

Caffeine in black tea can cause tachyarrhythmias or fast and/or irregular heart beats that can wake him up. Not to mention that caffeine can take his sleep away through its stimulant effect.

Answered 8/17/2021

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