I guess your mind was just playing tricks on you.
The sounds weren't getting any closer, it was just
getting darker and the jungle animals were beginning
to prowl far below you. You did finally managed to get
some sleep however. In the morning you wake very
refreshed and ready to get filthy rich.

• enter the passageway
• sit around for a while and see if the treasure will come to you for a change
• consult the Jade Monkey Heart map