YES! Many websites recommend having plants in the sleeping room to produce O2. Plants actually consume O2 and produce CO2 at night, through not very much.
I sleep terribly at home and I am trying out to find out why. Two people and a dog in a room should not be an issue if the window is a little bit open.
You can fake everything. And most people don't expect this.
Wirecard opened a fake Bank Branch from a Philippines Bank in Singapore, had the EY guys walk in there and "verify" the Billion dollar balance on the computer screen.
I sleep terribly at home and I am trying out to find out why. Two people and a dog in a room should not be an issue if the window is a little bit open.