I wrote this when I am busy. Last night I heard your message late at night while I'm sleeping, but I can not get up to answer it, because I'm not comfortable.
I write this message in episode I. Last night I heard your message while I sleep late now, but I was unable to get up and answer because I'm not comfortable.
I am writing this message in the morning. I am. Last night I heard the sound of your messages at night while I was asleep, but I was not able to rise to come up with an answer because I'm not comfortable.