A member asked:

Hey i need short sleep due to college assignments. if i take one benadryl (diphenhydramine) pill, will that make me sleep for a short amount of time or for many hours?

A doctor has provided 1 answer
Dr. Roy Arnold answered

Specializes in Internal Medicine

Depends: on your tolerance. Benadryl (diphenhydramine) affects people differently. Some people can take 12.5 mg and be knocked out, while others can take 25 or even 50 and still be chatty and alert. I suggest you try melatonin if you only need to sleep a little while. 5mg should help you rest for about 4 hours. Thanks for trusting HealthTap!

Answered 5/5/2015

2.9k views

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Related Questions

A member asked:

Took 50mg diphenhydramine two hours ago still so sleep can I take another one?

2 doctors weighed in across 2 answers