Good morning sir, according UAE law night shift is...

If your request concerns night shift hours, the following information is provided:
UAE labour law has set the basic working hours at 48 hours per week.
An employer can require the worker to work overtime.
The employer must pay the worker an extra wage for the number of overtime hours.
If the overtime hours were performed at night between nine o'clock in the evening and four o'clock in the morning, the worker is entitled to the overtime determined for normal working hours with an increase of at least 50% of that wage.
Here is the text of the UAE Labour Law, relevant to your inquiry:
Article (68)
If working conditions require workers to work overtime between nine o'clock in the evening and four o'clock in the morning, the worker shall be entitled to overtime determined for normal working hours, plus an increase of at least 50% of that wage.