That the cat sleep at night, rather than dealing with the bad oatmeal and the ragged top, the animal before going to bed should be fed (before this from the last feeding of the dish for food should be empty) and, most importantly, play with it for 10-20 minutes. Correctly "played" cat sleeps from 12 o'clock in the night to 8 o'clock in the morning, and also whistles on the alarm.
The method is tested on a dog of cats and does not work only when the owner is lazy cattle and lazy to observe the diet and play with the beast.
It is much more humane than roaring a cat, exposing it out of the bedroom at night and bringing the unhappy animal and yourself to the stress of the biorhythm mismatch.

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for half an hour + 15 minutes, each on his own