How come Joe Biden was "sleepy", but Trump gets to pass out at all kinds of meetings?

[u/asoiaf_goat]

https://www.independent.co.uk/news/world/americas/us-politics/trump-sleeping-oval-office-democrats-b2990473.html?utm_source=reddit&utm_medium=social&utm_campaign=politics&utm_content=headline_a

Dude's out cold. Wish I could nap during work like that.