What are the best exercises to do in the morning while exercising?

Morning exercises are needed in order to stretch the muscles after sleep and get a boost of vigor (to put it simply, wake up). Therefore, the best exercises will be some elements of yoga, light asanas, stretching, bending, exercises to warm up the joints.
You can connect cardio exercises: running in place, jumping rope.

The optimal charging option will look like this:

Warm up. Rotation of the head, feet, hands. Tilts in different directions.
Cardio. Running in place or jumping for 30-120 seconds (depending on your training).
Main part. Abs, squats, or elbow plank + chair against the wall.
Stretching. Stretch your back and leg muscles. To do this, alternate bends to the toes (legs apart) sitting on the floor or any other stretching exercises are suitable.
During morning exercises, you should not do exercises with weights or train to exhaustion if you have to work later. Fatigue from your morning workout can affect your productivity throughout the day.