Question

why it gets errect durning day and night?

Answer 1

Answer:

Explanation:

During sleep, there's a general increase in the activity of your parasympathetic system, too. This is what slows your heart rate, relaxes your muscles, and kicks off a deeper dream state. It's also what sparks the development of nocturnal erections.

Answer 2

Answer:

During sleep, there's a general increase in the activity of your parasympathetic system, too. This is what slows your heart rate, relaxes your muscles, and kicks off a deeper dream state. It's also what sparks the development of nocturnal erections.