How to Overcome the Fear of the Sun in the Morning

Exercising will increase body temperature somewhat paradoxically getting into a cold shower or cold water. You have a little area in your brain called the medial pre-optic area. If you make the surface of your body cold, guess what happens? Core body temperature goes up. So if you're going to do ice baths or cold showers, you can do it. I would say do them sometime better than not at all.