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Posted by Tynk on February 21, 2008, 9:42 am
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On Feb 20, 11:07=EF=BF=BDpm, Romanta...@webtv.net (L u) wrote:
> They seem to rest on the bottom when I turn off their tank light.
Yes, LuAnn. Fish have a sleep cycle.
This is why tank lights shouldn't ever be kept on for a "nightlight".
Without their sleep, they become stressed. However, fish don't get
crabby with lack of sleep like we humans do. They get stressed.
Stress leads to big problems with fish.
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