I only ask so that I know what to expect and can respect your work/life boundaries.
While we're at it, my standard response time is 24 hours during week days. I am a stay-at-home-working mom, and do my very best at accommodating both my family and clients throughout the week; however, I am consistently available from 9am - 4pm on Wednesdays and Fridays.
This is a safe space to vent your fears or concerns! If you've never worked with a designer, or have had a bad experience in the past, let me know so we can address anything that comes up along the way.