Frequent loss of Broadband from 6PM to 6AM

My broadband connection can run from approximately 6 AM to approximately 6 PM with only 1 or 2 losses of connection.

From 6 PM to 6 AM, the connection can be lost every 5-10 minutes. (I can check this by leaving my laptop on all night, and looking at the event log.)

Is this normal?

I have checked that from 6 PM to 6 AM there are no pumps, fans, motors, etc, that might cause such intermittent connection.

 

I would call the ISP an talk to them. Mine stays up pretty much all the time. I have noticed sometimes my wireless cuts out overnight, but no big deal to me.

E