RE: on ants and sleep

In response to the school with the ant infestation, teachers at this school should get temperate pitcher plants with long and narrow pitchers.  They are brilliant at catching tons of ants.  I had a problem a few years ago and though the problem wasn't eliminated there are now fewer ants, happy pitcher plants, and a few students who are very intriqued by these plants.  The temperate pitchers require standing water (a bog ecosystem) and need winter dormancy.  The tropical pitchers are also great in the classroom all year, but aren't very good at catching ants and need some attention (watering, a bit of fertilizer). If interested in getting these plants let me know.

On the subject of sleep, I have questions?  How would a physiologist define  sleep?  Isn't human sleep really complicated?  I believe our liver and digestive  system are more active during sleep so maybe sleep isn't really resting, just a "night shift"?

David Lauter

Washington High