In what situation will you most likely feel sleepy even of you had enough sleep the night before?

Waiting for an appointment. I always want just… more… sleep.

- immediately after waking up.
– sometime in the afternoon.
– after eating a large meal.

First line of Moby Dick. Call me Ishmael. zzzzzzzzzzzz………

When I talk to my friend in Australia. The 16 hour time zone differences usually has one of us start to yawn.

TL:dr – zzzzzzzz

Ditto:
– immediately after waking up. (within 2 hours)
– sometime in the afternoon.
– after eating a large meal.

Warm room, boring lecture. History of Roman Law at 8 am…

My work meetings.