Should I wake my friend up?

So my friend fell asleep at 4PM (I didnt realize it at first)

Its now almost 8PM and I mean, his sleep schedule is already messed up anyhow so should I just let him sleep or wake him up? He also has problems falling asleep why I'd feel guilty to wake him up.

At the same time I feel like he would have wanted me to wake him (we are good friends and usually he asks me to wake him up, but I mean its 8PM now anyhow)

What do I do reddit?