eyes closing?

[vmcmartian]

sometimes the top and bottom of the screen goes dark, like what you would see if your eyes were closing. It just happened right after my monkey had 10 hours of sleep. Is it telling me it's tired or something else?

[Cougarific]

Tired. Check the visible meters on waking to confirm.

[Major Trubble]

Get some sleep , at least 4 hrs , recommend 8 to 10 hrs .

[Newgunden]

If got food poison also drained your energy. Make you need sleep fast.