Switch. Wake him up early at let's say 7am. Adjust his timing. Replan his routines. So for example, wake up, brush teeth, play toys, outdoor, bath, lunch, TV, nap 1 to 3pm after which wake up, play toys, TV, outdoor, bath, dinner, brush teeth, lie down. By 9pm latest he should be in bed and the house must shut down. I went through exactly what you mentioned. We need to adjust ourselves first. Reflect.
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