Is it ok to take zzzquil now if i took a flexeril at 2pm?

Seek advice: The 2 can interact with each other to cause a variety of side effects see below: https://www.drugs.com/interactions-check.php?drug_list=758-386,896-16076 It depends what you were doing (might be risky if driving or operating heavy machinery for instance). Safest approach here is to seek advice from a doctor or pharmacist licensed in your area.

Is it night time?: It may cause extreme drowsiness, so would only do so it you are going to bed.