Should I just call my boss when I wake up and ask when he wants me to come in?

I started working at McDonald's. Today was the first day I was working in the kitchen. I worked from 4pm to a little after 1am. Im exhausted. My boss wasn't there today, but as we were leaving, my supervisor asked if I know what time im coming in tomorrow. I said I dont know. She said just to come in at the same time. Then she said or just call the boss. He hasn't even given me a schedule, so I don't know what to do.

Should I just call my boss when I wake up and ask when he wants me to come in?
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