Relationship between Epoch Length and Frequency

Hi, I’m writing to ask for help with choosing epoch lengths when analyzing data.

I have a sampling rate of 200Hz, the number of mini-epochs is 30 and the length is 1 second.
Will I have a problem analyzing a signal with a frequency of 1 Hz?

In my opinion, it meets the Nyquist frequency criterion,
I think it’s enough if one epoch contains all the components of 1 Hz.
However, I’m wondering if I’ll run into problems with this analysis compared to a mini-epoch with a length of 2 seconds x 15.

Do I need to have at least 2 waves of frequency components?
Or does it not matter because I am using all epochs in the analysis anyway?
I would like to get your opinion on which one is more accurate or if both are okay.

I’d love to hear from those with more experience.
Thanks.