thinking

as i lay here quietly thinking i find myself starting to drift off to sleep.  I know that sleep isn't possible at this point but how do i stop it from happening, how do i focus long enough to stay awake.  drifting is happening.  i feel myself falling through the layers of reality falling deeper and deeper blocking out the sounds of the children around me.  recreating a new reality.  I know I'm dreaming I know this isn't real but it feels so real, this must be a virtual reality.  A different dimension.  I try hard to wake up i have responsibilities but the dream shifts and I am caught.  I  start walking towards ...................