Can we exec coroutine in hook?

[rise0chen]

debug.sethook(function() sleep(10) end, "l")
sleep(1000)

runtime error: attempt to yield across a C-call boundary
stack traceback:
	[C]: in function 'coroutine.yield'
	[string "?"]:9: in function 'sleep'
	[string "main"]:1: in hook '?'
	[string "main"]:2: in main chunk