People don t typically mate seasonally for instance although conception peaks in finland in the summer months when the sun shines for up to 20 hours a day so there s still a connection there source.
Does light make you happy.
In humans the connection between light and biology is somewhat looser.
Just like if it was a sunny day and you feel excited the effect is the same.
And as for sleep patterns while most people sleep at night and are active in the day there are plenty of people who reverse that to work the graveyard shift.
We need cooler blue lighting in the morning to trigger our sympathetic nervous system which is associated with alertness and we need warmer light in the evening to trigger the parasympathetic nervous system which is associated with relaxation williams said.
And melatonin a hormone which promotes sleep.
The ultraviolet uv light releases happy hormones in the body so that when you wake up and the ultraviolet rays of the light that shines in you you feel happy.